This 3-port muzzle brake is compatible with the Specwar, Saker, Omega, Hybrid, and Harvester Big Bore ASR mounting system. They offer one hand on, one hand off attachment/detachment. The 3-port design effectively reduces felt recoil and muzzle climb.
|Size||223 Remington/5.56 NATO|
|Thread Pattern||.5x28 tpi|
Determined at checkout.