In addition, the extended controls add an increased functionality for left handed shooters who no longer must break their grip to manipulate the bolt catch.
NOTE: Required MIL-SPEC bolt catch spring and plunger are not included.
Compatibility with billet AR-15 lower receivers is unknown. Please also note that the extended controls of the Geissele Maritime Bolt Catch will partially cover the hammer pin hole. A small punch may be required to push the hammer pin out of the receiver from the left side, and the hammer pin must be installed from the right side of the receiver.
- Heat treated 8620 steel.
- Manganese phosphate coated