TOP KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER SECRETS

A viton o-ring prevents extractor vibration and carry, and a tough chrome exterior simplifies cleansing and upkeep. The five.56mm 3-Prong Flash Eliminator interferes with propellant gasoline combustion forward of the muzzle to appreciably lessen flash signature, won't ring on firing or when struck, which is suitable Along with the Knight’s line o