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

A viton o-ring prevents extractor vibration and raise, and a tough chrome exterior simplifies cleaning and servicing. The five.56mm 3-Prong Flash Eliminator interferes with propellant gas combustion forward of the muzzle to considerably lessen flash signature, will not likely ring upon firing or when struck, and it is compatible Along with the Knig