THE GREATEST GUIDE TO KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

A viton o-ring prevents extractor vibration and elevate, and a hard chrome exterior simplifies cleaning and routine maintenance. The 5.56mm 3-Prong Flash Eliminator interferes with propellant fuel combustion ahead in the muzzle to appreciably decrease flash signature, will likely not ring upon firing or when struck, and is compatible Together with