GETTING MY KNIGHTS ARMAMENT SR-15 16 UPPER TO WORK

A viton o-ring helps prevent extractor vibration and lift, and a tough chrome exterior simplifies cleaning and maintenance. The 5.56mm 3-Prong Flash Eliminator interferes with propellant gasoline combustion forward of the muzzle to substantially decrease flash signature, will likely not ring upon firing or when struck, and it is suitable Together w