A SIMPLE KEY FOR KNIGHTS ARMAMENT SR-15 16 UPPER UNVEILED

A viton o-ring helps prevent extractor vibration and raise, and a tough chrome exterior simplifies cleansing and upkeep. The five.56mm 3-Prong Flash Eliminator interferes with propellant gas combustion ahead on the muzzle to significantly cut down flash signature, will likely not ring on firing or when struck, and is particularly suitable Together