Extrema Ratio N.K.1 Black Knife - EX123NK1BL

Extrema Ratio N.K.1 Black Knife – EX123NK1BL

Meet the Extrema Ratio N.K.1 Black—a compact tactical marvel born from Italian precision and battle-tested performance. Handcrafted in small batches since 1997, this reduced-size powerhouse packs the offensive power of a full-size mission knife into a sleek 129 mm frame. Whether you’re navigating tight urban environments, executing precision tasks in the field, or simply need a reliable everyday carry, the N.K.1 Black delivers razor-sharp versatility at your fingertips.

Ergonomics meet efficiency with a cleverly sculpted handle designed to eliminate slip and accidental injury during rapid deployment. A deep index-finger groove on the spine ensures a rock-solid grip for slashing strikes, while its balanced weight distribution lets you pivot seamlessly into minute precision work. From slicing through stubborn cordage to performing delicate carving, this knife adapts instantly to your hand and your mission.

At its core lies a BöHLER N690 stainless steel blade, heat-treated to 60 HRC for rock-hard edge retention and outstanding wear resistance. The MIL-C-13924 burnished finish delivers a low-glare surface that resists corrosion and simplifies maintenance in harsh environments. With a 3 mm thickness honed to a razor-sharp edge, the N.K.1 is engineered to provide effortless penetration and clean, controlled cuts every time.

Completing the package is a rapid-release Kydex sheath, outfitted with a paracord neck carry system for ultra-lightweight deployment. The sheath snaps securely yet frees your blade instantly, while MOLLE-compatible slots let you mount the N.K.1 to tactical vests, belts, or any Extrema Ratio Cordura sheath. Optional accessories include a belt-clip attachment and an under-shirt concealment system—so your knife is always exactly where you need it. Available in jet-black, desert-warfare tan, or stone-washed steel, the N.K.1 adapts to your style and environment.

Whether you’re a Special Forces operator, a survival enthusiast, or an everyday warrior, the N.K.1 Black is your go-anywhere, do-anything blade. Experience the legacy of Italian craftsmanship and modern tactical innovation—experience the Extrema Ratio N.K.1 Black.

Key Features

• Ultra-compact 129 mm length for covert carry and maximum versatility
• Featherweight 56 g design reduces fatigue during long missions
• BöHLER N690 steel at 60 HRC ensures long-lasting sharpness
• MIL-C-13924 burnished finish for superior corrosion resistance
• Ergonomic spine groove delivers secure, slip-free grip
• Rapid-release Kydex sheath with paracord neck carry
• MOLLE-compatible mounting for tactical vests, belts, and sheaths
• Optional belt clip and under-shirt concealment system

Specifications

• Overall Weight: 56 grams
• Blade Length: 51 mm
• Total Length: 129 mm
• Blade Thickness: 3 mm
• Blade Material: BöHLER N690 Steel (60 HRC)
• Blade Finish: MIL-C-13924 Burnishing
• Handle Material: BöHLER N690 Steel (60 HRC)
• Sheath: Rapid-release Kydex, paracord neck carry

Please check out other Extrema Ratio products.

Warranty

Our products are covered by a manufacturer’s warranty ranging from 6 months up to a lifetime, subject to the specific item. For detailed warranty information, kindly enquire with our support team.

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