The Resonator K is a lightweight, cost-effective suppressor designed for high-caliber rifles, ranging from .17 HMR to 300 RUM. Its tubeless design, featuring heat-treated 17-4 stainless steel and a Cobalt 6 blast baffle, ensures durability and full-auto rating. The 1-3/8"-24 HUB thread allows for versatile mounting options, and the end cap minimizes flash. Included accessories: PhantomA(R) Q.D. Adapter, YHM-2007, YHM-2146, and Muzzle Brake YHM-4302-MB-24a. Cartridge - Minimum Barrel Length .300 Win Mag / 300 RUM - 20" 7.62x51 / .308 Win - 10.5" 7.62x39, 6.8SPC, 5.56 NATO - 10.5" 300 Blackout - 8"