The A2 Style 30 caliber muzzle brake 5/8x24 thread is compliant with California Featureless laws. Fits most barrels .30 cal .308/6.8/300 Blackout AR-10 Rifles with 5/8"X24 Threads. The muzzle brake open top slots and closed bottom increase muzzle control and reduce dust signature making it compliant with California as per the manufacturer. This device will not reduce or remove flash.
Closed front design reduces recoil.
Increases muzzle control.
Reduces dust signature.
5/8" x 24 threads.
Will not reduce or remove flash.
Fits Most Barrels .30 cal .308/6.8/300 Blackout AR-10 Rifles with 5/8"X24 Threads.