TOP GUIDELINES OF KNIGHTS ARMAMENT SR-15 16 UPPER

A viton o-ring helps prevent extractor vibration and carry, and a tough chrome exterior simplifies cleaning and servicing. The 5.56mm 3-Prong Flash Eliminator interferes with propellant gasoline combustion ahead on the muzzle to drastically lessen flash signature, will never ring upon firing or when struck, which is suitable with the Knight’s lin