Extrema Ratio Mamba Ranger Green Fixed Blade Knife - 4.5" N690 Blade Ranger Green Forprene Handle Glass Breaker

The Mamba Black is Extrema Ratio’s ultra-slim fixed blade designed for professionals who need speed, stealth, and strength in one compact package. Inspired by the sleek lethality of its namesake snake, this knife is engineered for tactical efficiency without excess bulk.

Specifications
Blade Steel: Böhler N690 cobalt stainless steel (58 HRC) – excellent edge retention and corrosion resistance
Blade Length: 116 mm (4.56 in)
Blade Thickness: 4 mm (0.15 in)
Overall Length: 237 mm (9.33 in)
Weight: 85 g (2.99 oz)
Blade Shape: Modified tanto with flat grind and fullers for weight reduction
Finish: MIL-C-13924 black oxide burnishing – non-reflective and tactical
Handle Material: Ranger Green Forprene – ergonomic, moisture-resistant, and temperature-tolerant
Glass Breaker: Integrated steel tang protrusion at the pommel
Sheath: Aspis nylon MOLLE-compatible with quick-release lever and dual-position clips

Design Highlights
Ultra-lightweight: One of the lightest tactical fixed blades in its class
Quick Deployment: Sheath lever allows instant one-handed access
Slim Profile: Slides directly into PALS webbing for seamless gear integration
Secure Grip: Deep jimping and finger recesses for confident handling
Field-Ready: Ideal for military, law enforcement, and outdoor survival

This knife is a masterclass in minimalist combat design—light enough to disappear into your kit, but fierce enough to handle serious tasks.