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.
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
Improved magazine follower catch
Larger index finger tab for bolt release