GETTING MY KNIGHTS ARMAMENT SR-15 16 UPPER TO WORK

A viton o-ring prevents extractor vibration and raise, and a hard chrome exterior simplifies cleansing and servicing. The 5.56mm three-Prong Flash Eliminator interferes with propellant fuel combustion forward from the muzzle to significantly cut down flash signature, will likely not ring on firing or when struck, which is appropriate With all the K