The Geissele Maritime Bolt Catch is an enhanced mil-spec replacement for lower receivers that accept an M16/M4 carbine bolt catch. It uses increased lever surface area, extended controls for left-handed access, aggressive checkering, heat-treated 8620 steel, and a manganese-phosphate finish.
Features
- Fits lower receivers that accept a mil-spec M16/M4 carbine bolt catch
- Increased lever surface area
- Extended controls support left-handed access
- Aggressive checkering for positive contact
- Heat-treated 8620 steel
- Manganese-phosphate finish
