- Increased surface promotes ease of function when locking or releasing the bolt
- Extended controls allow left handed shooters to manipulate the bolt catch without breaking their grip
- Compatible with forged Mil-Spec receivers and some billet receivers
- Aggressive textured surface
- Material: Heat Treated 8620 Steel
- Finish: Manganese Phosphate
- Weight: oz.
- Mil-Spec AR-15 upper and lower
*Compatibility with billet AR-15 lower receivers is unknown.
*The extended controls of the Geissele Maritime Bolt Catch will partially cover the pin hole for the hammer, a smaller punch may be required to push the hammer pin out of the receiver from the left side.