The Vipera Total Black M390 by Extrema Ratio is the perfect tactical knife for professionals and enthusiasts who demand maximum efficiency in under 100 g. Born from the fusion of the Requiem (pure tactical) and the Mamba (essential survival), VIPERA combines rapid deployment, field durability, and surgical-level cutting power.
The Vipera Total Black M390 by Extrema Ratio is the perfect tactical knife for professionals and enthusiasts who demand maximum efficiency in under 100 g. Born from the fusion of the Requiem (pure tactical) and the Mamba (essential survival), VIPERA combines rapid deployment, field durability, and surgical-level cutting power.
Crafted with a Böhler M390 steel blade (61 HRC), it offers exceptional edge retention and corrosion resistance. The elongated drop-point profile and full flat grind ensure clean, precise cuts, while the Forprene handle provides a secure grip even in extreme conditions. Supplied with a MOLLE-compatible nylon sheath, it's mission-ready from day one.
Designed for urban-tactical and operational use, this version leverages the ultra-high edge retention and hardness of M390 steel, while the advanced drop-point profile ensures excellent penetration capability. The black handle and black-coated blade make the Vipera Total Black M390 ideal for tactical operators, law enforcement, and security professionals, offering surgical precision in every high-risk scenario.
Technical specifications and box contents
Weight: 94 g (3.31 oz)
Blade length: 116 mm (4.56 in)
Overall length: 236 mm (9.29 in)
Blade thickness: 4 mm (0.16 in)
Blade material: Böhler M390, 61 HRC
Blade finish: MIL-C-13924 Total Black coating
Blade shape: drop-point with full flat grind
Handle: Forprene – anti-slip and weather-resistant
Construction: full-tang for maximum stability
Sheath: rugged nylon, MOLLE-compatible
User benefits
Outstanding edge retention and durability thanks to M390 steel
Thin, razor-sharp blade glides through materials with surgical precision
Comfortable and secure grip, even with gloves or in wet environments
Easy carry and tactical integration with MOLLE sheath
Warnings and usage information (compliant with Italian GPSR regulations)
Keep out of reach of children: sharp blade and sheath can cause injury.
Use only for appropriate cutting tasks; do not use the knife as a lever or hammer.
Clean and dry the blade and sheath after use in humid or dusty environments; avoid harsh solvents.
Store with blade secured in a dry, ventilated area to preserve steel and finish.
If worn or damaged, have the knife inspected by an authorized service center.