Smith & Wesson SW3B Special Ops M9 Bayonet, Black Handle & Blade, Nylon Sheath Smith & Wesson forged its reputation for high-performance, high-quality precision and ruggedness when it first opened its doors in 1852. Take a look at where they've been and where they're going. Smith & Wesson SW3B Special Ops M9 Bayonet, Black Handle & Blade, Nylon Sheath Features: Overall Length (inches): 12.75 Blade Length (inches): 6.50 Blade Material: 440, Black Blade Detail: Plain Edge w/Saw Back Handle Material: Plastic Carry System: Nylon Sheath