Multi-Cal Mil-spec standard AR15 7075 forged lower.Mil-spec lower parts kit.Reptilia CQB Pistol GripBlack Hardcoat Anodizing.Maxim OEM 3-postion adjustable PDW pistol stabilizing brace.Compatible with mil-spec bolt carrier groups and carbine length buffers.(does not include buffer/spring, NOT COMPATIBLE WITH MAXIM CQB OR SCW BUFFER SYSTEM)QD attachment point at 6 o’clock position on housingUS veteran designed and proudly made in the USA