- Drop-in upgrade for AR-15 and M4 GBB rifles - Near-vertical grip angle - Full-sized grip design - Ideal for use with compact rifle platforms - Beavertail on the backstrap - Ergonomically designed for hand comfort and weapon stability - Storage inside grip with snap-on grip cap - Accepts optional storage cores for 2 AA or CR123 batteries - Deep stippling and molded grooves for positive weapon control - All mounting hardware included In the Box Grip instructions (inside sleeve) Specifications: Build Reinforced polymerLength 2.5 in.Height 4.1 in. from receiver to bottomWidth 1.2 in.Weight 2.9 oz with hardwareColor OD GREEN California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov