Geissele Maritime bolt catch is a real quality of life upgrade over milspec. The enhanced shelf makes locking back on empty mags much easier with the trigger finger. Steel construction. Drops in any milspec lower with the standard catch spring.



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Geissele
Overview
The Geissele Automatics AR-15 Maritime Bolt Catch is designed for enhanced functionality in demanding environments, featuring a unique design that allows for easier manipulation even with gloves or in adverse conditions. Made from steel with a phosphate finish, this bolt catch is built to withstand rigorous use while maintaining reliability. This component is commonly found in builds with a mid-length gas system chambered in 5.56 NATO, making it an excellent choice for those seeking robust performance in their AR-15 setup.
Based on build data

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Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 65 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 57 | |
| Geissele Automatics Ultra Duty Checkered Takedown Pin Set | 47 | |
| Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - Radian Grey | 46 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 46 | |
| Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H3 - Ddc | 44 |
| Platform | Percentage |
|---|---|
| AR-15 | 79.2% |
| AR-10 | 20.8% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 81.3% |
| .223 Wylde | 12.5% |
| 300 Blackout | 6.3% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 58.3% |
| Carbine | 33.3% |
| Pistol | 8.3% |
Builds in the community that include the Geissele Automatics Llc Ar-15 Maritime Bolt Catch Steel Black
| Build | Parts | Total |
|---|---|---|
![]() | 17 | $1221.59 |
![]() | 30 | $6203.19 |
![]() | 17 | $730.70 |
![]() | 13 | $739.49 |
![]() | 21 | $2939.93 |
![]() | 23 | $1885.32 |
![]() | 16 | $1151.85 |
![]() | 11 | $877.02 |
![]() | 12 | $1745.36 |
![]() | 19 | $1254.46 |
![]() | 19 | $2061.96 |
![]() | 23 | $1357.31 |
3 global ratings
Geissele Maritime bolt catch is a real quality of life upgrade over milspec. The enhanced shelf makes locking back on empty mags much easier with the trigger finger. Steel construction. Drops in any milspec lower with the standard catch spring.
steel construction is the appeal here for guys who actually shoot rifles hard. geissele finish is matte black phosphate, matches mil spec parts around it. install took 3 min once i had the roll pin started
geissele maritime bolt catch is steel for hard use. drops onto a mil spec lower with no fitting. detent engagement is positive and the textured paddle catches a thumb under load