TOP KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER SECRETS

A viton o-ring helps prevent extractor vibration and elevate, and a tough chrome exterior simplifies cleaning and upkeep. The 5.56mm three-Prong Flash Eliminator interferes with propellant gas combustion ahead with the muzzle to significantly lessen flash signature, is not going to ring on firing or when struck, and is also compatible Together with