Breek Arms Castle Blast Shield for Outside Threaded Muzzle Devices - (DISCONTINUED)

Thread-On Blast Shield for Breek Arms Muzzle Devices This is the perfect add-on for any of Breek Arms' Outside Threaded Muzzle Devices. While this device doesn't thread directly onto the barrel of any AR-15, the Castle Blast Shield does slip onto the coarse outside threads of the muzzle device itself. For flash hiders, this has [...]