*May contain slight defects where hung for paint. Cerakote may wear at contact points. The Extended Bolt Release Version 3 is compatible with all mil spec AR-15/M16 receiver sets as well as many billet, side charging, and even left-handed weapons. The EBRv3 lets you reload quicker, clear jams more efficiently, and reduce unnecessary hand movements by extending the lever into the trigger well for access on the right side of the weapon.