Enhance your firearm's performance with the ARMASPEC CARB BFF TUBE KIT W/ EP/CN, designed for superior tactical advantage. Manufactured by Armaspec, a reputable name in U.S. firearm accessories, this kit ensures a flawless fit and long-lasting durability. Constructed with high-quality 7075-T6 aluminum, the tube kit features mil-spec dimensions and a flexible six-position adjustment system. It comes complete with an end plate and castle nut, making installation straightforward and efficient. Mil-spec Dimensions 7075-T6 Construction 6 Position Adjustment Includes End Plate and Castle Nut Upgrade your rig effortlessly with this robust, American-made kit from Armaspec.