The Phase 5 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. Like it's predecessors, this is a one-piece replacement part for the mil spec bolt catch found in all AR-15/M16 lower parts kits and is a great upgrade for both right and left-handed shooters. The Phase 5 Extended Bolt Releases are depended on and trusted by tactical trainers and LE officers worldwide. FeaturesHeat treated, 8620 steel, same as a mil spec bolt catch.Secure patented monolithic design, direct replacement component, no screws to come loose.Low profile bolt catch, fits many aftermarket billet upper receivers and most side charging upper receivers.Grip serrations added to elbow and end of Extended Bolt Release lever.Im...