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

A viton o-ring helps prevent extractor vibration and carry, and a hard chrome exterior simplifies cleansing and servicing. The five.56mm three-Prong Flash Eliminator interferes with propellant fuel combustion forward from the muzzle to noticeably lower flash signature, will never ring on firing or when struck, which is appropriate Along with the Kn