THE GREATEST GUIDE TO KNIGHTS ARMAMENT SR-15 16 UPPER

A viton o-ring prevents extractor vibration and raise, and a hard chrome exterior simplifies cleaning and upkeep. The 5.56mm 3-Prong Flash Eliminator interferes with propellant gasoline combustion forward of your muzzle to noticeably minimize flash signature, will never ring on firing or when struck, which is compatible While using the Knight’s l