THE 5-SECOND TRICK FOR KAC SR 15 14.5 UPPER

A viton o-ring stops extractor vibration and lift, and a hard chrome exterior simplifies cleaning and maintenance. The 5.56mm three-Prong Flash Eliminator interferes with propellant gas combustion forward in the muzzle to substantially lower flash signature, will likely not ring on firing or when struck, and is also appropriate Together with the Kn