Extrema Ratio Fixed Blade Knives

Current Deals & Offers

Optics Planet Updated Oct 31, 2026

Extrema Ratio Contact Fixed Blade Wolf Gray Knife 6.38" stonewash finish Bohler N690 stainless blade Wolf gray Forprene handle

$318.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Ultramarine Fixed Blade Knife 5.625in Serrated Black Textured Polyamide Handle EX320

$691.00

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Optics Planet Updated Oct 31, 2026

19% OFF

Extrema Ratio Ontos Fixed Blade Knife EX

$400.00 $495.99

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Optics Planet Updated Oct 31, 2026

9% OFF

Extrema Ratio Suppressor Fixed Blade Knife 7in Cobalt Steel Double Edge Blade Black Textured Polyamide Handle EX

$532.00 $581.62

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Optics Planet Updated Oct 31, 2026

Extrema Ratio MK21 Fixed Blade Knife 7in Steel Blade Grooved Desert Tan Nylon Handle EX

$473.00

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Optics Planet Updated Oct 31, 2026

12% OFF

Extrema Ratio Kukri Black Fixed Blade Knife 13.5in Cobalt Steel Blade Black Forprene Handle EX

$578.00 $659.99

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Optics Planet Updated Oct 31, 2026

13% OFF

Extrema Ratio Col Moschin Fixed Blade Knife 6in EX125

$418.00 $480.16

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Optics Planet Updated Oct 31, 2026

Extrema Ratio MK21 Black Fixed Blade Knife 7in Steel Blade Grooved Black Nylon Handle EX

$452.00

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Optics Planet Updated Oct 31, 2026

15% OFF

Extrema Ratio Small Kukri 9.5in Black Cobalt Steel Blade Black Forprene Handle EX

$467.00 $549.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum Fxd Knife 7in Srtd Steel Tanto Black Hdl Black Sheath EX082

$394.00

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Optics Planet Updated Oct 31, 2026

12% OFF

Extrema Ratio Dobermann IV Fixed Blade Knife 7.25in Cobalt Steel Blade Black Forprene Elastomer Handle EX180

$415.00 $472.10

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Contact Fixed Blade Black Knife 6.38" black MIL-C-13924 burnished Bohler N690 stai Black Forprene handle

$343.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Col Moschin Compact Fixed Blade Knife 4.25in Cobalt Steel Blade Black Forprene Handle EX

$300.00

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Optics Planet Updated Oct 31, 2026

5% OFF

Extrema Ratio Fulcrum C Fixed Blade Knife 4.25in Serrated Tanto Desert Warfare Tan Forprene Handle EX150FCDW

$296.00 $309.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Shrapnel Fixed Blade Knife 4.25in Cobalt Steel Blade Desert Tan Forprene Handle EX160SHRGOG

$286.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum C Fixed Blade Knife 4.25in Serrated Tanto Black Forprene Handle EX150FCT

$286.00

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Optics Planet Updated Oct 31, 2026

9% OFF

Extrema Ratio Shrapnel Testudo Fixed Blade Knife 3.75in Cobalt Steel Blade Black Forprene Handle EX160SHRTOG

$265.00 $291.57

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Doberman IV Africa Fixed Blade Knife 13.25in Overall 7.25in Satin Bohler N690 SS Drop Point Comes With Two

$719.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio A.D.R.A. Ordinanza 17 7.00 in Fixed Blade Knife

$654.00

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Optics Planet Updated Oct 31, 2026

18% OFF

Extrema Ratio Kreios Expeditions 12.88 in Fixed Blade Knife

$536.00 $649.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Silente 6.50 in Fixed Blade Knife

$604.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Suppressor Ordinanza G.I.S. 7.00 in Fixed Blade Knife

$532.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Adra Operativa 7.00 in Fixed Blade Knife

$532.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Primo Corso 7.00 in Fixed Blade Knife

$536.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum Combat 7.13 in Fixed Blade Knife

$515.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Doberman IV 7.25 in Fixed Blade Knife

$492.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Col Moschin Desert Warfare Knife 6.25" partially serrated Bohler N690 stainless tan Desert tan Forprene handle

$453.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Waki Fixed Blade Knife 18in Overall 11.75in N690 SS Tanto Blade Black Forprene Handle Black Mil-C-13924 Burnished Blade Black Cordura

$476.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio AMF Fixed Blade Knife 13.5in Overall 8in Black Bohler N690 SS Drop Point Black Forprene Handle Black Cordura Belt Sheath

$437.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Arditi Fixed Blade Knife 10.63in Overall 6.5in Black Mil-Spec Coated N690 SS Blade Black Polymer Handle Limited Edition Of 1918 Pieces

$462.00

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Optics Planet Updated Oct 31, 2026

12% OFF

Extrema Ratio Sere 2 Push Dagger Knife 5.88" partially serrated Bohler N690 stainless dag Black finger grooved Forprene handle

$509.00 $579.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Ontos 6.63 in Fixed Blade Knife

$400.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio E.C.M. Cobra 4.13 in Fixed Blade Knife

$379.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum Desert Warefare 7.13 in Fixed Blade Knife

$413.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum S 6.00 in Fixed Blade Knife

$365.00

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Optics Planet Updated Oct 31, 2026

20% OFF

Extrema Ratio Nimbus Ordinanza 5.50 in Fixed Blade Knife

$446.00 $559.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum Combat Desert 7.13 in Fixed Blade Knife

$373.00

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Optics Planet Updated Oct 31, 2026

2% OFF

Extrema Ratio Fulcrum Combat Desert 7.13 in Fixed Blade Knife

$373.00 $379.99

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Optics Planet Updated Oct 31, 2026

2% OFF

Extrema Ratio Nimbus Operativo 5.50 in Fixed Blade Knife

$373.00 $379.99

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Optics Planet Updated Oct 31, 2026

Extrema Ratio T4000 S 7.00 in Fixed Blade Knife

$345.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Defender 2 Fixed Blade Knife 4.64in Bohler N690 Stainless Black MIL-C-13924 Burnished Blade Black Forprene Handle

$262.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum C FH Fixed Blade Knife 9.5in 4.25in Bohler N-690 Steel Standard Edge Tanto Handle

$282.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Task C Desert Warfare Knife 3 1/2" desert warfare finish Bohler N690 stainless Desert tan Forprene handle

$238.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Scout 2 Fixed Blade Knife Scout 9.25in Overall 4.75in Black N690 SS Spear Point Blade Black Forprene Handle Mil-C-13924 Burnished Blade

$236.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Contact C Combat 4.25 in Fixed Blade Knife

$280.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Contact C Combat Desert 4.25 in Fixed Blade Knife

$263.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Requiem Fixed Blade Knife 9.25in Overall 4.5in Black Mil-Spec Coated False Edge N690 SS Stiletto Style Blade Black Forprene Handle Black

$197.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio NK3 K Desert Warfare Fixed Blade Knife 2.75in Bohler N-690 Steel Standard Edge Stanless Handle

$221.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Misericordia Fixed Blade Knife 4.64in Bohler N690 Stainless Black MIL-C-13924 Burnished Spear Point Blade Black FRN Handle

$219.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Scout 2 Stonewashed Fixed Blade Knife Scout 9.25in Overall 4.75in Stonewash N690 SS Spear Point Blade Black Forprene Handle Black Nylon

$215.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio NK3 K Neck Knife Fixed Blade Knife 6.75in Overall 2.75in Tanto Blade Glass Breaker One Piece Black Mil-C-13924 Burnished N690 SS Black

$218.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Mamba Fixed Blade Knife Mamba 9.25in Overall 4.5in Bohler N690 SS Tanto Blade Black Forprene Handle Glass Breaker Black Kydex Belt

$197.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Mamba Desert Fixed Blade Knife Mamba 9.25in Overall 4.5in Bohler N690 SS Tanto Blade Desert Tan Forprene Handle Glass Breaker Tan Kydex

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Mamba Ranger Green Fixed Blade Knife Mamba 9.25in Overall 4.5in Bohler N690 SS Tanto Blade OD Green Forprene Handle Glass Breaker OD

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Mamba HCS Knife 4.5" stonewash finish Bohler N690 stainless tanto Hybrid Coyote Sage Forprene handle

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Mamba Wolf Gray Knife 4.5" stonewash finish Bohler N690 stainless tanto Wolf gray Forprene handle

$181.00

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Optics Planet Updated Oct 31, 2026

1% OFF

Extrema Ratio NK3 Neck Knife Stonewash Fixed Blade Knife 2.75in Bohler N-690 Steel Standard Edge Tanto Stonewash

$164.00 $165.60

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Requiem Wolf Grey Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Gray Forprene Handle Gray

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Requiem Ranger Green Fixed Blade Knife 9.25in Overall 4.5in Stonewash N690 SS Stiletto Style Blade Green Forprene Handle Green Nylon

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Requiem HCS Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Hcs Forprene Handle Hcs Nylon Molle

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Requiem Fixed Blade Desert Fixed Blade Knife 9.25in Overall 4.5in Stonewash False Edge N690 SS Stiletto Style Blade Desert Tan Forprene

$181.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio NK1 Neck Knife Desert Warfare Fixed Blade Knife 5in Overall 1 3/4in Blade One Piece N690 SS Construction w/Desert Warfare Finish

$183.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum Combat 7.13 in Fixed Blade Knife

$495.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Herring NE Fixed Blade Knives 6.57 in Bohler N690 Stainless Blade Dagger Blade Brass Handle

$604.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Sethlans Expeditio 8.88in Fixed Blade Knife N690 Stainless Blade Tan G10 Handle

$461.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Fulcrum S Fixed Blade Knife 11in N690 Stainless Tanto Blade Desert Tan Forprene Handle

$383.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Black Forprene Handle

$333.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio K-Talon SW Fixed Blade Knife 2.75in N690 Stainless Karambit Blade Black Anodized Aluminum Handle

$310.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio DMP Fixed Blade Knife 11.13in N690 Stainless Blade Ranger Green Forprene Handle

$305.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Satre Expedition Fixed Blade Knife 6.38in N690 Stainless Blade Desert Camo Handle

$196.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Satre Fixed Blade Knife 6.38in N690 Stainless Blade Black Paracord Handle

$171.00

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Optics Planet Updated Oct 31, 2026

Extrema Ratio Satre Neck SW Fixed Blade Knife 6.38in N690 stainless Blade Black Paracord Handle

$165.00

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Blade HQ Updated Oct 31, 2026

Extrema Ratio Selvan Desert Fixed Blade Knife Tan Forprene (6.25" Black)

$449.00

10% off With Code GEARCHASE10

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Blade HQ Updated Oct 31, 2026

Extrema Ratio Kreios Fixed Blade Knife Black Forprene (12.75" Black)

$451.00

10% off With Code GEARCHASE10

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Blade HQ Updated Oct 31, 2026

Extrema Ratio KH Kukri Fixed Blade Knife Black Forprene (13.375" Black)

$578.00

10% off With Code GEARCHASE10

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