Same construction as the BG-16 with ergonomics that fit larger-handed shooters. A single large internal storage compartment holds batteries, small spare parts, or supplies. Includes stainless steel, Dry-Lok attaching screw and installation tool. Mfg: Tangodown SPECS: Resin-impregnated polymer, Black. 4A 1/2" (11.4cm) high. Base 23/8" (6cm) long, 1A 1/4" (3.2cm) wide. Fits AR-15/M16/M4 series rifles and clones, and other rifles that accept an A2 grip, including ArmaLiteA(R) AR-10A(R), FN SCAR Mk-16/Mk-20, and Knight's