NOT KNOWN DETAILS ABOUT KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

A viton o-ring stops extractor vibration and raise, and a tough chrome exterior simplifies cleansing and maintenance. The five.56mm 3-Prong Flash Eliminator interferes with propellant gasoline combustion ahead from the muzzle to noticeably cut down flash signature, will not ring upon firing or when struck, and is also compatible with the Knight’s