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Extrema Ratio Knives

Extrema Ratio Knives

Extrema Ratio knives, folding pocket knives, and tactical fixed blade knives for sale.
Get great deals on Extrema Ratio knives, lock blade pocket knives, and other Extrema Ratio tactical knives.
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Products (Total Items: 123)
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EX0110BLK Extrema Ratio Fulcrum C FH Fixed Blade Knife
Overall: 9.5"; Blade: 4.25" l Bohler N690 Stainless l Standard Edge; Handle: Black; Other Info: Lanyard Hole l Full Tang. MIL-C-13924 burnished tanto blade. Forprene handle with glass breaker. Black molded sheath can be worn vertical, horizontal, or oblique. Single automatic pressure activated security lock. Boxed. Made in Italy.
$259.90
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EX0112BLK Extrema Ratio Shrapnel OG FH Fixed Blade Knife Black
Overall: 8.5"; Blade: 4.25" l Bohler N690 Stainless l Standard Edge; Handle: Black; Other Info: Thumb Ridge l Full Tang l Lanyard Hole. MIL-C-13924 burnished drop point blade. Forprene handle with glass breaker. Black molded sheath can be worn vertical, horizontal, or oblique. Single automatic pressure activated security lock. Boxed. Made in Italy.
$249.50
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EX0125DW Extrema Ratio Col Moschin Desert Warfare Fixed Blade Knife
11.5" overall. 6.25" partially serrated Bohler N690 stainless tanto blade. Desert tan Forprene handle. Steel guard. Full, extended tang. Lanyard hole. Desert Warfare finish blade. Tan nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$447.95
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EX0135BLK Extrema Ratio Panthera Linerlock Pocket Knife Black
5.75" closed. 4" black Mil-Spec coated Bohler N690 stainless Wharncliffe blade. Black anodized aluminum handle. Glass breaker. Lanyard hole. Extended tang. Boxed. Made in Italy.
$223.70
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EX0135SAT Extrema Ratio Panthera Linerlock Pocket Knife Satin
5.88" closed. 3.88" satin finish Bohler N690 stainless Wharncliffe blade. Black anodized aluminum handle. Lanyard hole. Extended tang. Boxed. Made in Italy.
$244.00
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EX0137BLK Extrema Ratio Resolza Linerlock Pocket Knife Black
5.75" closed. 4.5" Bohler N690 stainless blade. Black anodized aluminum handle. Black MIL-C-13924 burnished blade. Boxed. Made in Italy.
$230.00
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EX0137SW Extrema Ratio Resolza Linerlock Pocket Knife Stone Washed
Type: Linerlock; Closed: 5.75"; Blade: 4.5" l Bohler N690 Stainless l Standard Edge l Stonewash Finish; Handle: Black; Other Info: Anticorodal anodized aluminum handles. Boxed. Made in Italy.
$215.00
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EX0140DW Extrema Ratio MFO Linerlock Pocket Knife Desert Warfare
4.38" closed. 2.75" Bohler N690 stainless blade. Bronze aluminum handle. Extended tang. Thumb stud. Glass breaker. Lanyard hole. Pocket clip. Desert warfare laser engraved blade. Boxed. Made in Italy.
$300.00
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EX0146DW Extrema Ratio BF2 CT Desert Warfare Pocket Knife
5" closed. 3.25" Bohler N690 stainless tanto blade. Desert tan anodized aluminum handle. Pocket clip. Thumb stud. Desert Warfare laser engraved blade. Boxed. Made in Italy.
$200.00
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EX0165 Extrema Ratio Glauca J1 Pocket Knife Desert Tan
6.25" closed. 4.5" black partially serrated Bohler N690 stainless tanto blade. Desert tan textured aluminum handle. Glass breaker. Thumb stud. Extended tang. Pocket clip. MIL-C 13924 burnished blade. Tan Kydex belt sheath. Boxed. Made in Italy.
$497.00
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EX0184AFR Extrema Ratio Doberman IV Hunting Knife Africa
13.25" overall. 7.25" satin finish Bohler N690 stainless drop point blade. Lanyard hole. Comes with two handles: Santos rosewood and black Forprene. Sheath includes sharpener and marlin spike. Brown leather belt sheath. Boxed. Made in Italy.
$650.00
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EX0185AFR Extrema Ratio Doberman IV Hunting Knife South Africa
11 1/2" overall. 5 1/2" satin finish Bohler N690 steel blade with lashing hole. Full tang. Comes with two different handles: one in santos rosewood with brown leather lanyard and one in forprene with black nylon cord lanyard. Brown Italian leather belt sheath with sharpener and stainless marlin spike. Made in Italy.
$649.75
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EX0206BLK Extrema Ratio NK3 Neck Knife Black
Type: Neck Knives; Overall: 6"; Blade: 2.75" | Bohler N690 Stainless | Standard Edge | Black Finish; Handle: Black | Stainless; Other Info: Lanyard Hole. Tanto blade with fuller groove. Black Kydex sheath with paracord lanyard. Boxed. Made in Italy.
$175.95
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EX0206DW Extrema Ratio NK3 Neck Knife Desert Warfare
Type: Neck Knives; Overall: 6"; Blade: 2.75" l Stainless l Standard Edge; Other Info: Lanyard Hole. One piece Bohler N690 stainless construction with desert warfare laser finish. Tan MOLLE compatible rapid release Kydex sheath with paracord strip for neck carry. Boxed. Made in Italy.
$180.55
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EX0206SW Extrema Ratio NK3 Neck Knife Stonewash
Overall: 6"; Blade: 2.75" - Bohler N690 Stainless - Standard Edge - Stonewash Finish; Handle: Sterling Silver; Other Info: Lanyard Hole. Tanto blade with fuller groove. Stonewash finish handle. Black Kydex sheath with paracord lanyard. Boxed. Made in Italy.
$165.60
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EX0213BLK Extrema Ratio NK3 K Neck Knife Black
6.75" overall. 2.75" tanto blade. Finger ring. Glass breaker. One piece black MIL-C-13924 burnished Bohler N690 stainless construction. Black Kydex neck sheath. Boxed. Made in Italy.
$190.90
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EX0213DW Extrema Ratio NK3 K Fixed Blade Knife Desert Warfare
Overall: 6.75"; Blade: 2.75" - Bohler N690 Stainless - Standard Edge; Handle: Stainless; Other Info: One piece Desert Warfare finish construction. Finger ring. Desert tan Kydex sheath with paracord lanyard. Boxed. Made in Italy.
$195.50
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EX0213SW Extrema Ratio NK3 K Neck Knife Stonewash
6.75" overall. 2.75" blade. Finger ring. Glass breaker. One piece stonewash finish Bohler N690 stainless construction. Black Kydex neck sheath. Boxed. Made in Italy.
$180.55
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EX0220BLK Extrema Ratio Arditi Fixed Blade Dagger Black
10.63" overall. 6.5" black Mil-Spec coated Bohler N690 stainless blade. Black polymer handle. Stainless guard. Limited edition of 1918 pieces. Black Cordura belt sheath. Boxed. Made in Italy.
$419.95
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EX0228BLK Extrema Ratio BD2 Lucky Linerlock Pocket Knife Black
5" closed. 3.75" Bohler N690 stainless blade. Black anodized aluminum handle. Extended tang. Pocket clip. Black Mil-C-13924 burnished blade. Boxed. Made in Italy.
$182.00
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EX0228DW Extrema Ratio BD2 Lucky Linerlock Pocket Knife Desert Tan
5" closed. 3.75" stonewash finish Bohler N690 stainless spear point blade. Desert tan anodized aluminum handle. Extended tang. Pocket clip. Boxed. Made in Italy.
$171.00
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EX0317BLK Extrema Ratio Pugio Single Edge Fixed Blade Knife
9" overall. 4.5" black Bohler N690 stainless drop point blade. Black nylon handle. Full tang. Lanyard hole. MIL-C-13924 burnished blade. Sheath can be worn horizontally or vertically. Black Kydex belt sheath. Boxed. Made in Italy.
$327.75
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EX0362BLK Extrema Ratio Resolza S Linerlock Pocket Knife Black
Closed: 3.75"; Blade: 3" l Bohler N690 Stainless l Standard Edge; Handle: Black; Other Info: MIL-C-13924 burnished blade. Anticorodal anodized aluminum handles. Boxed. Made in Italy.
$170.00
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EX0362SW Extrema Ratio Resolza S Linerlock Pocket Knife Stone Washed
Closed: 3.75"; Blade: 3" l Bohler N690 Stainless l Standard Edge l Stonewash Finish; Handle: Black; Other Info: Anticorodal anodized aluminum handles. Boxed. Made in Italy.
$165.00
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EX0420BLK Extrema Ratio Waki Fixed Blade Knife Black
18" overall. 11.75" Bohler N690 stainless tanto blade. Black Forprene handle. Lanyard hole. Black MIL-C-13924 burnished blade. Black Cordura MOLLE compatible belt sheath. Boxed. Made in Italy.
$323.33
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EX0434BLK Extrema Ratio T4000 C Fixed Blade Knife Black
Overall: 8.25"; Blade: 4" - Bohler N690 Stainless - Standard Edge; Handle: Black; Other Info: Lanyard Hole. Mil-C-13924 burnished tanto blade with lashing hole. Black Forprene handle. Black nylon belt sheath. Boxed. Made in Italy.
$255.30
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EX0442BLK Extrema Ratio Corvo Fixed Blade Knife
Overall: 12.125"; Blade: 7" l Bohler N690 Stainless l Standard Edge; Handle: Black; Other Info: Lanyard Hole l Full Tang. MIL-C-13924 burnished blade. Forprene handle with glass breaker. Black nylon belt sheath with leg strap. Boxed. Made in Italy.
$322.00
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EX0454BLK Extrema Ratio Nightmare Karambit Linerlock Pocket Knife Black
Type: Linerlock; Closed: 5.5"; Blade: 3" - Bohler N690 Stainless - Partially Serrated Edge; Handle: Black - Aluminum; Other Info: Extended Tang - Pocket Clip. Mil-C-13924 burnished tanto blade. Anticorodal anodized handles. Integrated belt cutter and glass breaker. Boxed. Made in Italy.
$293.25
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EX0454SW Extrema Ratio Nightmare Karambit Linerlock Pocket Knife Stonewash
Type: Linerlock; Closed: 5.5"; Blade: 3" - Bohler N690 Stainless - Standard Edge - Stonewash Finish; Handle: Black - Aluminum; Other Info: Extended Tang - Pocket Clip. Anticorodal anodized handles. Integrated belt cutter and glass breaker. Boxed. Made in Italy.
$276.00
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EX0460SW Extrema Ratio BFO CD Linerlock Pocket Knife Stonewash
3.5" closed. 2.25" stonewash finish Bohler N690 stainless drop point blade. Black nylon handle. Thumb pull. Lanyard hole. Pocket clip. Boxed. Made in Italy.
$90.85
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EX0461HCS Extrema Ratio BFO R Linerlock Pocket Knife
3.88" closed. 2.25" stonewash finish Bohler N690 stainless drop point blade. HCS nylon handle. Extended tang. Pocket clip. Lanyard hole. Boxed. Made in Italy.
$89.50
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EX0461SW Extrema Ratio BFO R CD Linerlock Pocket Knife
3.88" closed. 2.25" stonewash finish Bohler N690 stainless drop point blade. Black nylon handle. Extended tang. Pocket clip. Lanyard hole. Boxed. Made in Italy.
$89.50
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EX0477BLK Extrema Ratio Mamba Fixed Blade Knife Black
9.25" overall. 4.5" Bohler N690 stainless tanto blade. Black Forprene handle. Full tang. Glass breaker. Black Kydex belt sheath. Boxed. Made in Italy.
$157.95
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EX0477DW Extrema Ratio Mamba Fixed Blade Knife Desert Tan
9.25" overall. 4.5" Bohler N690 stainless tanto blade. Desert tan Forprene handle. Full tang. Glass breaker. Tan Kydex belt sheath. Boxed. Made in Italy.
$144.95
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EX0477GRN Extrema Ratio Mamba Ranger Fixed Blade Knife Green
9.25" overall. 4.5" Bohler N690 stainless tanto blade. OD green Forprene handle. Full tang. Glass breaker. OD green Kydex belt sheath. Boxed. Made in Italy.
$144.95
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EX0478BLK Extrema Ratio Requiem Fixed Blade Tactical Knife Black
9.25" overall. 4.5" black Mil-Spec coated false edge Bohler N690 stainless stiletto style blade. Black Forprene handle. Black nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$185.00
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EX0478DW Extrema Ratio Requiem Fixed Blade Tactical Knife Desert Tan
9.25" overall. 4.5" stonewash finish false edge Bohler N690 stainless stiletto style blade. Desert tan Forprene handle. Tan nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$172.50
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EX0478GRN Extrema Ratio Requiem Ranger Fixed Blade Tactical Knife Green
9.25" overall. 4.5" stonewash finish Bohler N690 stainless stiletto style blade. Green Forprene handle. Green nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$172.50
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EX0478HCS Extrema Ratio Requiem Fixed Blade Tactical Knife HCS
9.25" overall. 4.5" stonewash finish false edge Bohler N690 stainless stiletto style blade. HCS Forprene handle. HCS nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$172.50
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EX0478WG Extrema Ratio Requiem Fixed Blade Tactical Knife Wolf Grey
9.25" overall. 4.5" stonewash finish false edge Bohler N690 stainless stiletto style blade. Gray Forprene handle. Gray nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$172.50
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EX0480BLK Extrema Ratio Scout Fixed Blade Knife Black
8.5" overall. 4" black Bohler N690 stainless spear point blade. Black Forprene handle. Full, extended tang. Lanyard hole. MIL-C-13924 burnished blade. Black nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$194.00
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EX0480SW Extrema Ratio Scout Fixed Blade Knife Stonewashed
8.5" overall. 4" stonewash finish Bohler N690 stainless spear point blade. Black Forprene handle. Full, extended tang. Lanyard hole. Black nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$168.00
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EX0481BLK Extrema Ratio Scout 2 Fixed Blade Knife Black
9.25" overall. 4.75" black Bohler N690 stainless spear point blade. Black Forprene handle. Lanyard hole. Full, extended tang. MIL-C-13924 burnished blade. Black nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$198.00
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EX0481SW Extrema Ratio Scout 2 Fixed Blade Knife Stonewashed
9.25" overall. 4.75" stonewash finish Bohler N690 stainless spear point blade. Black Forprene handle. Full, extended tang. Lanyard hole. Black nylon MOLLE compatible belt sheath. Boxed. Made in Italy.
$173.00
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EX0485BLK Extrema Ratio AMF Fixed Blade Knife Black
13.5" overall. 8" black Bohler N690 stainless drop point blade. Black Forprene handle. Aluminum guard and aluminum pommel. Lanyard hole. Mil-C-13924 burnished blade. Black Cordura MOLLE compatible belt sheath. Boxed. Made in Italy.
$380.00
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EX0485SDW Extrema Ratio AMF Fixed Blade Knife Desert Tan
13.5" overall. 8" Bohler N690 stainless drop point blade. Desert tan Forprene handle. Aluminum guard and aluminum pommel. Lanyard hole. Mil-C-13924 burnished blade. Tan Cordura MOLLE compatible belt sheath. Boxed. Made in Italy.
$379.00
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EX0486BLK Extrema Ratio Defender Fixed Blade Knife Black
8.5" overall. 3.75" Bohler N690 stainless blade. Black Forprene handle. Stainless guard. Full tang. Lanyard hole. Black MIL-C-13924 burnished blade. Black Kydex belt sheath. Boxed. Made in Italy.
$230.00
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EX0486SW Extrema Ratio Defender Fixed Blade Knife Stonewashed
8.5" overall. 3.75" stonewash finish Bohler N690 stainless blade. Black Forprene handle. Stainless guard. Full tang. Lanyard hole. Black Kydex belt sheath. Boxed. Made in Italy.
$204.00
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EX0487BLK Extrema Ratio Defender DC Fixed Blade Knife Black
8.5" overall. 3.75" Bohler N690 stainless blade. Black Forprene handle. Stainless guard. Full tang. Lanyard hole. Black MIL-C-13924 burnished blade. Black Kydex belt sheath. Boxed. Made in Italy.
$232.50
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EX0487SW Extrema Ratio Defender DG Fixed Blade Knife Stonewash
8.5" overall. 3.75" stonewash finish Bohler N690 stainless blade. Black Forprene handle. Stainless guard. Full tang. Lanyard hole. Black Kydex belt sheath. Boxed. Made in Italy.
$206.00
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EX0494BLK Extrema Ratio SERE 2 Push Dagger
8.5" overall. 5.88" partially serrated Bohler N690 stainless dagger blade. Black finger grooved Forprene handle. Full, extended tang. Lanyard hole. Black Mil-C 13924 burnished blade. Blade features a standard design halyard-cutter, which has interchangeable blades. Black Forprene MOLLE compatible belt sheath. Comes with extra blade. Boxed. Made in Italy.

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$349.00
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EX0497BLK Extrema Ratio BF4 Lucky Linerlock Pocket Knife Black
Description Coming Soon! Made in Italy.
$195.50
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EX0497DW Extrema Ratio BF4 Lucky Linerlock Pocket Knife Desert Tan
6.13" closed. 4.75" stonewash finish partially serrated Bohler N690 stainless blade. Desert tan anodized aluminum handle. Extended tang. Pocket clip. Boxed. Made in Italy.
$190.95
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EX0498BLK Extrema Ratio BF4 Contractor Linerlock Pocket Knife Black
6" closed. 4.75" blade. Black anodized aluminum handle. Extended tang. Pocket clip. Bohler N690 stainless partially serrated double edge dagger blade with black Mil-C-13924 burnishing. Boxed. Made in Italy.
$204.95
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EX0498DW Extrema Ratio BF4 Contractor Linerlock Pocket Knife Desert Tan
6" closed. 4.75" stonewash finish partially serrated Bohler N690 stainless dagger blade. Desert tan anodized aluminum handle. Extended tang. Pocket clip. Double edge blade. Boxed. Made in Italy.
$194.95
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EX082 Extrema Ratio Fulcrum Fixed Blade Knife
12 1/8" overall. 7" partially serrated N690 stainless cobalt steel tanto blade with black finish. Black Forprene handle with visible tang end. Lanyard hole. Black INPAX belt sheath. Made in Italy.
$365.70
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EX084TSKBL Extrema Ratio Task Fixed Blade Knife Black
11 3/8" overall. 5 1/2" black finish partially serrated Bohler N690 stainless modified tanto blade. Integral finger guard with lashing hole. Blade is flat ground on both sides. Black Forprene handle. Heavy duty tip with enlarged lanyard hole. Heavy duty black nylon belt sheath with leg strap. Made in Italy.
$304.75
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EX084TSKCBL Extrema Ratio Task C Fixed Blade Knife Black
8 3/8" overall. 3 1/2" black finish Bohler N690 stainless modified tanto blade. Integral finger guard with lashing hole. Blade is flat ground on both sides. Black Forprene handle. Heavy duty tip with enlarged lanyard hole. Deluxe molded black polymer belt sheath. Made in Italy.
$213.90
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EX084TSKCDW Extrema Ratio Task C Fixed Blade Knife Desert Warfare
8 3/8" overall. 3 1/2" desert warfare finish Bohler N690 stainless modified tanto blade. Integral finger guard with lashing hole. Blade is flat ground on both sides. Desert tan Forprene handle. Heavy duty tip with enlarged lanyard hole. Deluxe molded desert tan polymer belt sheath. Made in Italy.
$224.25
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EX1000138 Extrema Ratio T Razor Linerlock Pocket Knife Black
6 1/2" closed linerlock. 3 3/4" black finish Bohler N690 steel blade. Black aluminum handles. Lanyard hole. Made in Italy.
$236.90
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EX1000139 Extrema Ratio T Razor Linerlock Pocket Knife Satin
6 1/2" closed linerlock. 3 3/4" satin finish Bohler N690 steel blade. Black aluminum handles. Lanyard hole. Made in Italy.
$256.45
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EX123NK1BL Extrema Ratio NK1 Neck Knife Black
5" overall. 1 3/4" blade. One piece Bohler N690 stainless construction with black finish. Molded black Kydex neck sheath with black cord lanyard. Made in Italy.
$142.60
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EX123NK1DW Extrema Ratio NK1 Neck Knife Desert Warfare
5" overall. 1 3/4" blade. One piece Bohler N690 stainless construction with Desert Warfare finish. Enlarged lanyard hole. Molded tan Kydex neck sheath with Desert Warfare cord lanyard. Made in Italy.
$150.65
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EX123NK1SW Extrema Ratio NK1 Neck Knife Stonewashed
5" overall. 1 3/4" blade. One piece Bohler N690 stainless construction with stonewash finish. Molded black Kydex neck sheath with black cord lanyard. Made in Italy.
$129.95
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EX125 Extrema Ratio Col Moschin Fixed Blade Knife
11 1/2" overall. 6" N690 stainless partially serrated blade with Testudo finish. Black Forprene handle. Full tang. Lanyard hole. Black rigid ABS polymer sheath features six polymer D-Ring attachments, a tactical kit with two leg belts, and a removable belt to provide more length. The belt on the back of the sheath can be set in two positions which allows two different lengths on the leg. The security lace, with two snaps, is reversible for left handers. Made in Italy.
$396.75
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EX126 Extrema Ratio Venom Testudo Fixed Blade Knife
12 1/4" overall. 7" partially serrated BOHLER N690 stainless cobalt steel blade with MIL-C-13924 black finish. Black rigid ABS polymer sheath features six polymer D-Ring attachments, a tactical kit with two leg belts, and a removable belt to provide more length. The belt on the back of the sheath can be set in two positions which allows two different lengths on the leg. The security lace, with two snaps, is reversible for left handers. Made in Italy.
$368.00
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EX127ONTOS Extrema Ratio Ontos Fixed Blade Knife
From the Greek language, the "thing" is a field knife, solid and heavy but still compact. 12" overall. 6 1/2" black finish N690 stainless cobalt steel blade with sawback section. Black Forprene handle. OD green MOLLE. compatible nylon side sheath. A survival kit is carried in a pocket which is fastened to the nylon sheath by a MOLLE. system, making the Ontos a true survival tool. Survival kit contains: Water bag; Nylon cord; Button compass; Candle, Flint & Striker; Fishing kit; Mini multi-tool; Matches; Sewing kit; Water purification tablets; Single edge razor; Mayday mirror; Whistle; Snare wire; Wire saw; Pencil and Survival instructions. A fluorescent stick (lasting for 12 hours) and a diamond sharpener are also included. Made in Italy.
$556.60
In Stock
EX128MK2B Extrema Ratio MK2.1 Fixed Blade Knife Black
12" overall. 7" black finish N690 cobalt reinforced stainless steel blade. Grooved black nylon handle with black finish metal guard and pommel. Comes with standard side sheath which includes automatic retention system, protective flap and is M.O.L.L.E. compatible. Made in Italy.
$408.25
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EX128MK2DW Extrema Ratio MK2.1 Desert Warfare Fixed Blade Knife
12" overall. 7" Geo-camo finish N690 cobalt reinforced stainless steel blade. Grooved desert tan nylon handle with black finish metal guard and pommel. Comes with a special HCS coyote tan sheath specifically developed for SOF units. Made in Italy.
$600.00
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EX129SELD Extrema Ratio Selvan Fixed Blade Knife
12 1/4" overall. 6 1/4" Bohler N690 cobalt stainless blade with MIL-C-13924 black coating. Black Forprene handle. Heavy-duty, reinforced nylon belt sheath with adjustable leg strap. MOLLE compatible. Comes with survival kit which includes: a whistle, pocket chain saw, water purifying tablets, a compass, copper wire, fire starting flint and striker, LED micro light, a lanyard, and a diamond sharpener. All items are in a compact, heavy-duty case that is attached to the front of the sheath. This kit can be detached from the sheath and it is also MOLLE compatible. Desert tan/green sheath system. Developed in cooperation with master instructor Daniele Dal Canto of F.I.S.S.S. (Italian Survival Federation). The project was based on slightly modifying the military survival knife Ontos. The aim was to heighten and increase the performance of the knife as a working tool. A longer handle and a heavier blade offer a better chopping and cutting action. Made in Italy.
$726.95
In Stock
EX129SELG Extrema Ratio Selvan Fixed Blade Knife
12 1/4" overall. 6 1/4" Bohler N690 cobalt stainless blade with MIL-C-13924 black coating. Black Forprene handle. Heavy-duty, reinforced nylon belt sheath with adjustable leg strap. MOLLE compatible. Comes with survival kit which includes: a whistle, pocket chain saw, water purifying tablets, a compass, copper wire, fire starting flint and striker, LED micro light, a lanyard, and a diamond sharpener. All items are in a compact, heavy-duty case that is attached to the front of the sheath. This kit can be detached from the sheath and it is also MOLLE compatible. OD green sheath system. Developed in cooperation with master instructor Daniele Dal Canto of F.I.S.S.S. (Italian Survival Federation). The project was based on slightly modifying the military survival knife Ontos. The aim was to heighten and increase the performance of the knife as a working tool. A longer handle and a heavier blade offer a better chopping and cutting action. Made in Italy.
$600.00
In Stock
EX129SELVDKN Extrema Ratio Selvan Fixed Blade Knife
The Selvan was developed in cooperation with master instructor Daniele Dal Canto of F.I.S.S.S. (Italian Survival Federation). The project was based on slightly modifying the military survival knife Ontos. The aim was to heighten and increase the performance of the knife as a working tool. A longer handle and a heavier blade offer a better chopping and cutting action. 12 1/4" overall. 6 1/4" Bohler N690 cobalt stainless blade with MIL-C-13924 black coating. Black Forprene handle. Desert tan/green heavy-duty, reinforced nylon belt sheath with adjustable leg strap. MOLLE compatible. Made in Italy.
$718.75
In Stock
EX130RAO Extrema Ratio RAO Folder Pocket Knife
5 5/8" closed. N690 stainless blade with Testudo finish. Extra safe locking device is a steel pin that is hand screwed into place, locking blade open or closed. Black anodized anticorodal aluminum alloy handles. Lanyard. OD green nylon sheath is MOLLE compatible and holds diamond sharpener. Sheath can accommodate knife in open or closed position. Made in Italy.
$396.75
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EX130RAOAVIO Extrema Ratio RAO Avio Pocket Knife with Survival Kit
An updated version of the original RAO. The RAO Avio is still a folder but is meant to be carried as a fixed blade. 10 3/8" open. 5 5/8" closed. 4 5/8" N690 stainless cobalt steel blade with black Testudo finish. Extra safe locking device is a steel pin that is hand screwed into place, locking blade open or closed. Black anodized Anticorodal aluminum alloy handles. Lanyard. Specially designed, heavy-duty, green nylon MOLLE compatible belt sheath with protective liner. Survival kit contains: whistle, compass, paracord, flint and striker, water purification tablets, snare wire, wire saw, light, and a diamond sharpener. Kit is stored in a heavy-duty green MOLLE compatible sheath. Kit can be carried as a separate unit, or attached to the sheath or a MOLLE vest. Closed kit measures approximately 5 1/2" x 3 1/4" x 2". Made in Italy.
$510.60
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EX130RAOII Extrema Ratio RAO II Folder Pocket Knife
5 3/4" closed. 4 3/4" black finish N690 cobalt steel drop point blade. Locking system with extra safety locks the knife in the open position to make a strong fixed blade knife. Black aluminum handles. Black elastic cord lanyard. Black nylon belt M.O.L.L.E. compatible belt sheath carries the knife in the open or closed position. Comes with 3" x 3/4" diamond sharpener. Made in Italy.
$396.75
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EX133GLAUCAB1 Extrema Ratio Glauca B1 Linerlock Pocket Knife
6 1/4" closed linerlock. 4 1/4" black finish Bohler N690 stainless blade. Unique style blade has pointed double edge tip with sharpened edges. This blade style is designed to maximize penetration. Integral guard with lashing holes. Textured black aluminum handles. Back side of handle features a special tool to cut through plastic handcuffs. Rear glass breaker tip. Reversible black finish stainless pocket clip. Deluxe black molded ABS and Cordura M.O.L.L.E. compatible belt sheath with a variety of carrying options including attachment to a tactical jacket or vest, and side carry. Sheath is designed for knife to be carried in the open position. Designed in collaboration with G.I.G.N. (Special Unit of the French National Gendarmerir). Made in Italy.
$557.75
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EX133MF1 Extrema Ratio MF1 Folder Linerlock Pocket Knife
5 1/4" closed linerlock. N690 stainless cobalt steel drop point blade with Testudo finish and dual thumb studs. Blade features extended tang for easier one hand opening. Black anodized anticorodal aluminum handles. Reversible pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$324.30
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EX133MF1BC Extrema Ratio MF1 Linerlock Pocket Knife with Belt Cutter
5 1/4" closed linerlock. N690 stainless cobalt steel drop point blade with Testudo finish and dual thumb studs. Blade features extended tang for easier one hand opening. Black anodized anticorodal aluminum handles. Integrated seat belt cutter. Reversible pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$335.80
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EX133MF2 Extrema Ratio MF2 Folder Linerlock Pocket Knife
6" closed linerlock. N690 stainless cobalt steel drop point blade with Testudo finish and dual thumb studs. Blade features extended tang of easier one hand opening. Black anodized anticorodal aluminum handles. Reversible pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$377.20
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EX133MF2COL Extrema Ratio MF2 Col Moschin Folder Linerlock Pocket Knife
6" closed linerlock. N690 cobalt stainless drop point blade with Testudo finish and dual thumb studs. Blade features extended tang for easier one hand opening and special "Col Moschin" etching. Black anodized anticorodal aluminum handles with etch. Reversible pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$427.80
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EX133MF2DW Extrema Ratio MF2 Desert Warfare Linerlock Pocket Knife
6" closed. 4 1/2" Geo-Camo finish N690 stainless cobalt steel drop point blade with extended tang for easier one hand opening. Desert warfare (tan) finish aluminum alloy handles with integrated sub-hilt. Sub hilt provides a stable grip that prevents slipping. Reversible black finish stainless pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$419.75
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EX133MF3T Extrema Ratio MF3 Ingredior Linerlock Pocket Knife
6" closed linerlock. 4 1/4" black finish N690 stainless cobalt steel tanto point blade with dual thumb studs, double extended tang (which serves as guard), and safety lock. Black anodized anticorodal handle. Black finish stainless reversible pocket clip. Black nylon belt sheath. Made in Italy.
$401.35
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EX133MFO Extrema Ratio Small Folder Linerlock Pocket Knife
4 1/4" closed. N690 cobalt stainless drop point blade with Testudo finish and dual thumb studs. Blade features extended tang for easier one hand opening. Black anodized anticorodal aluminum handles. Reversible pocket clip. Glass breaker tip built into end of handle. Made in Italy.
$324.30
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EX133MFODW Extrema Ratio Desert Warfare Linerlock Pocket Knife
4 1/4" closed linerlock. 2 3/4" Geo-Camo finish N690 stainless cobalt steel drop point blade with dual thumb studs, extended tang and safety lock. Desert tan anodized anticorodal handle. Black finish stainless reversible pocket clip. Made in Italy.
$347.30
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EX135BF1CD Extrema Ratio BF1 Classic Drop Point Linerlock Pocket Knife
4" closed linerlock. Black finish N690 stainless cobalt steel drop point blade with dual thumb studs. Black anodized aluminum handles with reversible pocket clip. Made in Italy.
$164.45
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EX135BF1CT Extrema Ratio BF1 Classic Tanto Linerlock Pocket Knife
4" closed linerlock. Black finish N690 stainless cobalt steel tanto blade with dual thumb studs. Black anodized aluminum handles with reversible pocket clip. Made in Italy.
$164.45
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EX135BF1WCD Extrema Ratio Desert Warfare Linerlock Pocket Knife
4" closed linerlock. 2 3/4" Geo-Camo finish N690 stainless cobalt steel drop point blade with dual thumb studs. Desert tan anodized anticorodal handle. Black finish stainless reversible pocket clip. Made in Italy.
$195.50
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EX135BF2CD Extrema Ratio BF2 Classic Drop Point Linerlock Pocket Knife
5" closed linerlock. Black finish N690 stainless cobalt steel drop point blade with dual thumb studs. Black anodized aluminum handles with reversible pocket clip. Made in Italy.
$197.80
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EX135BF2V Extrema Ratio BF2V Linerlock Pocket Knife with Marlin Spike
4 3/4" closed linerlock. 2 1/2" matte finish Bohler N690 stainless tanto blade with dual thumb studs. Textured gray anticorodal anodized aluminum handles with machined slot cutouts. Marlin spike is located on the tang end of handle. Reversible matte finish stainless pocket clip. Plastic spiral design lanyard with quick release belt attachment. The length and flexibility of the lanyard allows you to work with the tool in the maximum operating area which a shorter lanyard would not allow. Made in Italy.
$220.80
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EX135BF2WCD Extrema Ratio Desert Warfare Linerlock Pocket Knife
5" closed linerlock. 3 1/2" Geo-Camo finish N690 stainless cobalt steel drop point blade with dual thumb studs and safety lock. Desert tan anodized anticorodal handle. Black finish stainless reversible pocket clip. Made in Italy.
$225.40
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EX135BF3 Extrema Ratio Dark Talon Linerlock Pocket Knife
5 7/8" closed linerlock. Black finish N690 stainless cobalt steel blade with dual thumb studs. Black anodized anticorodal aluminum handles. Reversible pocket clip. Made in Italy.
$205.85
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EX135RESBL Extrema Ratio Resolza Linerlock Pocket Knife Black
5 3/4" closed. 4 3/4" black MIL-C-13924 burnished Bohler N690 stainless blade. Black anticorodal anodized aluminum handles. Made in Italy.
$230.00
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EX135RESSW Extrema Ratio Resolza Linerlock Pocket Knife Stone Washed
5 3/4" closed linerlock. 4 3/4" stonewashed N690 steel blade. Anticorodal anodized aluminum handles. Made in Italy.
$215.05
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EX136MPC Extrema Ratio MPC Lockback Pocket Knife
5 3/4" closed lockback. Cobalt stainless blade with Testudo finish and thumb studs. Black anodized anticorodal handles. Reversible pocket clip. Lanyard hole. Made in Italy.
$495.65
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EX136MPCDW Extrema Ratio MPC Lockback Pocket Knife
5 3/4" closed lockback. 4 1/2" Geo-Camo finish N690 stainless cobalt steel partially serrated clip point blade with dual thumb studs. Desert warfare (tan) finish aluminum handles. Reversible black finish stainless pocket clip. Lanyard hole. Glass breaker tip built into end of handle. Manual safety lock. Made in Italy.
$534.75
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EX136NEM Extrema Ratio Nemesis Lockback Pocket Knife
5 7/8" closed lockback. Black finish N690 stainless cobalt steel blade with dual thumb studs. Black anodized aluminum handles with reversible stainless pocket clip. End of handle is tempered steel making it an effective glass breaker. Lanyard hole. Manual safety lock. Made in Italy.
$461.15
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EX136NEMDW Extrema Ratio Nemesis Desert Warfare Lockback Pocket Knife
5 3/4" closed. 4 3/8" desert warfare finish Bohler N690 stainless flat ground Italian style blade with dual thumb studs. Back lock blade locking mechanism. An extra manual security lock is also found on the lever and prevents the blade from closing accidentally. Desert tan anticorodal anodized aluminum handles. Lanyard hole. Black finish stainless pocket clip. Made in Italy.
$503.70
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EX150FCDW Extrema Ratio Fulcrum C Fixed Blade Knife
8 3/8" overall. 4 1/4" Geo Camo finish N690 stainless cobalt steel partially serrated tanto blade. Full tang. Desert warfare (tan) Forprene handle with black finish steel guard with lashing hole and visible tang end. Lanyard hole. Desert warfare (tan) ABS sheath with Tek-Lok. Made in Italy.
$269.10
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EX150FCT Extrema Ratio Fulcrum C Fixed Blade Knife
8 3/8" overall. 4 1/4" partially serrated N690 stainless cobalt steel tanto blade with black finish. Black Forprene handle with visible tang end. Black ABS sheath with Tek-Lok. Made in Italy.
$254.15
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EX15DC Extrema Ratio Psycho 15 Fixed Blade Knife Desert Camo
11 1/4" overall. 6" Bohler N690 stainless blade with desert camo laser engraving. Tan Forprene handle. Lanyard hole. Tan nylon belt sheath. Made in Italy.
$198.45
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EX160SHRGOG Extrema Ratio Shrapnel Fixed Blade Knife
8 1/2" overall. 4 1/4" N690 geo camo finish blade. Desert tan handle and blade trim. Desert tan molded Tek-Lok sheath can be worn vertically or horizontally. Made in Italy.
$266.80
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EX160SHRTOG Extrema Ratio Shrapnel Testudo Fixed Blade Knife
8 1/2" overall. 3 3/4" N690 stainless blade with Testudo finish. Black Forprene handle. Full tang. Lanyard hole. Black hard sheath has a Tek-Lok which means it can be positioned either vertically or horizontally. The only security on the sheath is automatic with a pressure point for removal and insertion. Made in Italy.
$243.80
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EX170KH Extrema Ratio Kukri Machete Black
19 1/2" overall. 13 1/2" black (Testudo) finish N690 stainless cobalt steel blade. Black Forprene handle. Black nylon belt sheath with leg straps and removable shoulder strap. Made in Italy.
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$480.70
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EX170KREIOS Extrema Ratio Kreios Fixed Blade Knife
18 1/2" overall. 12 1/2" black finish N690 cobalt steel blade. Black Forprene handle with black cord lanyard. Black nylon M.O.L.L.E. compatible belt sheath with shoulder strap. Made in Italy.
$470.35
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EX170KS Extrema Ratio Small Kukri Machete
14 7/8" overall. 9 1/2" black finish N690 stainless cobalt steel blade. Black Forprene handle. Black nylon belt sheath with leg straps and removable shoulder strap. Made in Italy.
$391.00
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EX180 Extrema Ratio Dobermann IV Fixed Blade Knife
Tactical Version Fixed Blade. 12 5/8" overall. 7 1/4" Böhler N690 stainless cobalt steel blade with black finish. Black Forprene (NATO MIL-SPEC elastomer) handles. Black Cordura belt sheath with leg strap. Made in Italy.
$379.50
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EX19DC Extrema Ratio Psycho 19 Fixed Blade Knife Desert Camo
13" overall. 7 3/4" Bohler N690 stainless blade with desert camo laser engraving. Tan Forprene handle. Lanyard hole. Tan nylon belt sheath. Made in Italy.
$198.45
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EX200CMCOMPB Extrema Ratio Col Moschin Compact Fixed Blade Knife
8 1/2" overall. 4 1/4" black MIL-C-13924 coated N690 stainless cobalt steel blade. Black Forprene handle. Lanyard hole. Black molded Tek-Lok sheath. Made in Italy.
$269.10
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EX200CMCOMPDW Extrema Ratio Col Moschin Compact Fixed Blade Knife
8 1/2" overall. 4 1/4" Geo-Camo finish N690 stainless cobalt steel blade. Desert warfare tan Forprene handle. Lanyard hole. Desert molded Tek-Lok sheath. Made in Italy.
$284.05
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EX20BLK Extrema Ratio TK Tool 2.0 Black
4" overall multi-purpose pocket tool. One piece black finish Bohler N690 stainless construction. Features: central slot to be used as a screw-pin shackle wrench; key for fire arm optics regulation and calibration; bottle opener; can opener; 10 mm and 8 mm hexagonal screw keys; and 13 mm ring key. Front portion of tool may be used as a screwdriver or lever. Lanyard holes allow for attachment of paracord. Made in Italy.
$78.95
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EX20SW Extrema Ratio TK Tool 2.0 Stonewash
4" overall multi-purpose pocket tool. One piece stonewash finish Bohler N690 stainless construction. Features: central slot to be used as a screw-pin shackle wrench; key for fire arm optics regulation and calibration; bottle opener; can opener; 10 mm and 8 mm hexagonal screw keys; and 13 mm ring key. Front portion of tool may be used as a screwdriver or lever. Lanyard holes allow for attachment of paracord. Made in Italy.
$59.50
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EX300 Extrema Ratio Fulcrum Fixed Blade Knife
12" overall. 7" black finish partially serrated N690 stainless cobalt steel tanto blade. Black Forprene handle with black finish steel guard and pommel. Black ABS and nylon belt sheath with integrated wire cutter. Made in Italy.
$495.65
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EX300MIL Extrema Ratio Fulcrum Combat Fixed Blade Knife
12 1/8" overall. 7" black finish partially serrated N690 stainless cobalt steel tanto blade. Black Forprene handle with black finish steel guard and pommel. Black ABS and nylon belt sheath with integrated wire cutter. Made in Italy.
$495.65
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EX312SUPP Extrema Ratio Suppressor Fixed Blade Knife
11 3/4" overall. 7" black finish N690 stainless cobalt steel double edge blade. Black textured polyamide handle with skull crusher pommel. Lanyard hole. Black nylon and ABS sheath. Made in Italy.
$520.95
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EX314BL Extrema Ratio Pugio Fixed Blade Knife
8 3/4" overall. 4 1/4" N690 stainless dagger blade with black finish. Black Forprene handles with lanyard hole. Black injection molded ABS sheath. Made in Italy.
$327.75
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EX315COMMBL Extrema Ratio ER Commando Fixed Blade Knife
11 1/2" overall. 6 1/2" N690 steel double edge blade. Black anticorodal anodized aluminum handle with stainless guard and extended tang with lanyard hole. Black nylon MOLLE compatible belt sheath. Made in Italy.
$555.45
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EX315SEREBL Extrema Ratio SERE 1 Push Dagger
7 3/4" overall. 4 3/4" black finish Bohler N690 stainless partially serrated dagger blade. Blade also has belt cutter and screw-pin shackle wrench. Finger grooved black Forprene handle. End of handle has sharpened tip and lanyard hole. Molded black Kydex sheath with Tek-Lock system. Developed in collaboration with Special Forces operators. Made in Italy.

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$400.20
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EX320 Extrema Ratio Ultramarine Fixed Blade Knife
11 5/8" overall. 5 5/8" black matte finish N690 stainless cobalt steel blade with partially serrated top edge and line cutter. Back textured polyamide handle with skull crusher pommel. Handle may be disassembled so blade may be attached to pole or spear. Black ABS and nylon belt sheath with arm/leg straps. Also comes with Tek-Lok. Knife comes in plastic storage case. Made in Italy.
$650.90
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EX3909OP Extrema Ratio Operativo Fixed Blade Knife
12 1/2" overall. 7 1/4" BOHLER N690 stainless steel MIL-C-13924 black finish blade. NATO MIL-SPEC elastomer Forprene handle. Full tang. Double sheath style. The outer sheath is a nylon soft sheath with straps. Inside there is a hard sheath made of a nylon composite with 15% fiberglass. This is where the blade actually sits. The 39-09 double sheath is designed to be strapped to the calf in the style of Italian parachutists. Removable hard inner sheath. Hard side storage case. Made in Italy.
$438.15
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EX3909OR Extrema Ratio Ordinan COFS Comando Operativo Forze Speciali Fixed Blade Knife
12 1/2" overall. 7 1/4" BOHLER N690 stainless steel MIL-C-13924 black finish blade. NATO MIL-SPEC elastomer Forprene handle. Full tang. Double sheath style. The outer sheath is a nylon soft sheath with straps. Inside there is a hard sheath made of a nylon composite with 15% fiberglass. This is where the blade actually sits. The 39-09 double sheath is designed to be strapped to the calf in the style of Italian parachutists. Removable hard inner sheath. Hard side storage case. Made in Italy.
$640.55
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EXASFK Extrema Ratio ASFK Trench Knife
11 1/2" overall. 6 1/2" partially serrated Bohler N690 steel blade with Mil-C-13924 burnishing. Full tang. Black forprene handle with knuckle guard and glass breaker end. Desert tan nylon belt sheath with leg strap attachment. Made in Italy.
Average Rating(1)
$396.75
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EXM1A1 Extrema Ratio Linerlock Pocket Knife
4" closed. 2 3/4" N690Co stainless matte finish blade with thumb stud. Also includes flat screwdriver, bottle opener, can opener and marlin spike. Black aluminum handles with bail. Stainless pocket clip. Made in Italy.
$172.50
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EXT4000S Extrema Ratio Tanto Fixed Blade Knife
Overall: 12"; Blade: 6.75" | Bohler N690 Stainless | Standard Edge; Handle: Black; Other Info: Full Tang | Lanyard Hole. Tanto blade with MIL-C-13924 burnishing. Black Forprene handles. Black nylon belt sheath. Boxed. Made in Italy.
$198.45
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