Extrema Ratio Knives & Tools

Current Deals & Offers

Optics Planet Updated Nov 01, 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 Nov 01, 2026

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

$691.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio RAO Avio Folding Knife EX

$512.00

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Optics Planet Updated Nov 01, 2026

19% OFF

Extrema Ratio Ontos Fixed Blade Knife EX

$400.00 $495.99

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 2026

15% OFF

Extrema Ratio RAO Folder Folding KnifeCobalt Steel Blade Black Anodized Aluminum Alloy Handle EX

$467.00 $549.99

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Optics Planet Updated Nov 01, 2026

13% OFF

Extrema Ratio Col Moschin Fixed Blade Knife 6in EX125

$418.00 $480.16

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 2026

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

$394.00

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 2026

Extrema Ratio Contact Fixed Blade Desert Knife 6.38" stonewash finish Bohler N690 stainless blade Desert tan Forprene handle

$318.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact Fixed Blade HCS Knife 6.38" stonewash finish Bohler N690 stainless blade Hybrid Coyote Sage Forprene handle

$318.00

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 2026

23% OFF

Extrema Ratio BF1 Classic Folding KnifeCobalt Steel Drop Point Black Anodized Aluminum Handle EX

$208.00 $269.99

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Optics Planet Updated Nov 01, 2026

23% OFF

Extrema Ratio BF1 Classic Folding Knife Black Cobalt Steel Tanto Black Anodized Aluminum Handle EX

$208.00 $269.99

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Optics Planet Updated Nov 01, 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 Nov 01, 2026

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

$654.00

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Optics Planet Updated Nov 01, 2026

18% OFF

Extrema Ratio Kreios Expeditions 12.88 in Fixed Blade Knife

$536.00 $649.99

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Silente 6.50 in Fixed Blade Knife

$604.00

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Optics Planet Updated Nov 01, 2026

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

$532.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Adra Operativa 7.00 in Fixed Blade Knife

$532.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Primo Corso 7.00 in Fixed Blade Knife

$536.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Fulcrum Combat 7.13 in Fixed Blade Knife

$515.00

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Optics Planet Updated Nov 01, 2026

17% OFF

Extrema Ratio Kreios Machete EX

$520.00 $623.37

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Doberman IV 7.25 in Fixed Blade Knife

$492.00

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 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 Nov 01, 2026

Extrema Ratio Ontos 6.63 in Fixed Blade Knife

$400.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Rao II Folder Knife EX

$467.00

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Optics Planet Updated Nov 01, 2026

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

$379.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Fulcrum Desert Warefare 7.13 in Fixed Blade Knife

$413.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Fulcrum S 6.00 in Fixed Blade Knife

$365.00

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Optics Planet Updated Nov 01, 2026

20% OFF

Extrema Ratio Nimbus Ordinanza 5.50 in Fixed Blade Knife

$446.00 $559.99

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Fulcrum Combat Desert 7.13 in Fixed Blade Knife

$373.00

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Optics Planet Updated Nov 01, 2026

2% OFF

Extrema Ratio Nightmare Karambit Stonewash Folding Knife3inBohler N-690 SteelStandard EdgeStonewash Black Aluminum Handle

$330.00 $336.62

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Optics Planet Updated Nov 01, 2026

Extrema Ratio T911 Linerlock 3.75 in Folding Knife

$352.00

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Optics Planet Updated Nov 01, 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 Nov 01, 2026

2% OFF

Extrema Ratio Nimbus Operativo 5.50 in Fixed Blade Knife

$373.00 $379.99

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Optics Planet Updated Nov 01, 2026

Extrema Ratio T4000 S 7.00 in Fixed Blade Knife

$345.00

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Optics Planet Updated Nov 01, 2026

1% OFF

Extrema Ratio Nightmare Karambit Black Folding Knife3inBohler N-690 SteelPartially SerratedTanto Black Aluminum Handle

$345.00 $349.99

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Optics Planet Updated Nov 01, 2026

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

$318.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Panthera Linerlock Folding Knife 3.88in Satin Bohler N690 SS Wharncliffe Blade Black Anodized Aluminum Handle Extended Tang Black

$266.00

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 2026

Extrema Ratio T Razor Black Folding Knife3.75inBohler N-690 Steel Black Aluminum Handle

$261.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Resolza Linerlock Folding Knife 4.5in Bohler N690 SS Blade Black Anodized Aluminum Handle Black Mil-C-13924 Burnished Blade Black

$257.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio BF2 CT Desert Warfare Folding Knife 3.25in N690 SS Tanto Blade Desert Tan Anodized Aluminum Handle Pocket Clip Desert Warfare Laser

$216.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio BF1 Linerlock Desert 2.75 in Folding Knife

$218.00

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Optics Planet Updated Nov 01, 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 Nov 01, 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 Nov 01, 2026

Extrema Ratio Resolza 10 Linerlock Folding Knife 4" black MIL-C-13924 burnished Bohler N690 stainle Black anodized aluminum handle

$221.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact C Combat 4.25 in Fixed Blade Knife

$280.00

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Optics Planet Updated Nov 01, 2026

8% OFF

Extrema Ratio Resolza Folder Stone Washed Folding Knife4.5inBohler N-690 SteelStandard EdgeStonewash Black Aluminum Handle

$242.00 $262.46

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact C Combat Desert 4.25 in Fixed Blade Knife

$263.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact C Ranger 4.25 in Fixed Blade Knife

$263.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact C Ranger HCS 4.25 in Fixed Blade Knife

$263.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio Contact C Ranger 4.25 in Fixed Blade Knife

$263.00

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Optics Planet Updated Nov 01, 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 Nov 01, 2026

Extrema Ratio BF2 CD Linerlock 3.50 in Folding Knife

$251.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio BF2 CT Linerlock 3.25 in Folding Knife

$251.00

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Optics Planet Updated Nov 01, 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 Nov 01, 2026

4% OFF

Extrema Ratio BF4 Contractor Linerlock Folding Knife 4.75in Black Anodized Aluminum Handle N690 SS Partially Serrated Double Edge Dagger w/Black

$269.99 $281.00

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Optics Planet Updated Nov 01, 2026

Extrema Ratio BF1 Linerlock Desert Warfare 3.00 in Folding Knife

$218.00

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Optics Planet Updated Nov 01, 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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