
Availability: In Stock
The Geissele Maritime Bolt Catch for AR-15 is a mil-spec compatible upgrade designed to improve speed and control during magazine changes and bolt manipulations. Built with oversized levers and aggressive checkering, this matte-finish bolt catch gives you a positive grip advantage whether you're running gloved hands, operating in low light, or simply want faster, more intuitive bolt handling. If you shoot left-handed or want ambidextrous controls that don't force you to break your firing grip, the extended architecture of this bolt catch makes a real difference in practical shooting scenarios.
The larger surface area of the Maritime design is the key to its appeal. Standard mil-spec bolt catches work fine, but the Geissele version gives your thumb and fingers more real estate to manipulate the catch, reducing fumbling during reloads and reducing the chance of a miss during competition or hunting. Left-handed shooters especially benefit—you can lock the bolt back or drop it home using your index finger without shifting your grip or reach.
The textured checkering covering both levers provides genuine tactile feedback and positive engagement whether you're wearing gloves, shooting at night, or just want confidence in your manipulations. Finished in matte, it complements modern AR builds without gloss or shine. Bear in mind that this bolt catch requires a mil-spec bolt catch spring and plunger (not included) and works with standard mil-spec lower receivers; compatibility with billet lowers is not guaranteed. The extended controls do partially cover the hammer pin hole, so you may need a smaller punch to remove the hammer pin from the left side—a minor trade-off for the handling gains.
| Product | Geissele Maritime Bolt Catch |
| Platform | AR-15 |
| Finish | Matte |
| Compatibility | Mil-spec M16/M4 bolt catch receivers |
| Installation | Requires mil-spec bolt catch spring and plunger (not included) |
Yes, if your lower receiver is designed to accept a mil-spec M16/M4 bolt catch. Compatibility with billet AR-15 lower receivers is unknown, so verify before purchase if you're using a billet lower.
Yes. A mil-spec bolt catch spring and plunger are required for assembly and are not included with the Maritime Bolt Catch. If you're replacing an existing bolt catch, you can reuse those parts from your current setup.
Yes—that's one of the primary design advantages. The extended controls allow left-handed shooters to manipulate the bolt catch with their index finger without breaking their firing grip, making magazine changes and bolt lock-back faster and more efficient.
The extended controls partially cover the hammer pin hole, so you may need a smaller punch to remove the hammer pin from the left side of the receiver. The hammer pin should only be installed from the right side.


SKU: 115847237 • Width: 4.25in • Height: 1.5in • Depth: 5.5in • Weight: 0.06oz





Availability: In Stock
The Geissele Maritime Bolt Catch for AR-15 is a mil-spec compatible upgrade designed to improve speed and control during magazine changes and bolt manipulations. Built with oversized levers and aggressive checkering, this matte-finish bolt catch gives you a positive grip advantage whether you're running gloved hands, operating in low light, or simply want faster, more intuitive bolt handling. If you shoot left-handed or want ambidextrous controls that don't force you to break your firing grip, the extended architecture of this bolt catch makes a real difference in practical shooting scenarios.
The larger surface area of the Maritime design is the key to its appeal. Standard mil-spec bolt catches work fine, but the Geissele version gives your thumb and fingers more real estate to manipulate the catch, reducing fumbling during reloads and reducing the chance of a miss during competition or hunting. Left-handed shooters especially benefit—you can lock the bolt back or drop it home using your index finger without shifting your grip or reach.
The textured checkering covering both levers provides genuine tactile feedback and positive engagement whether you're wearing gloves, shooting at night, or just want confidence in your manipulations. Finished in matte, it complements modern AR builds without gloss or shine. Bear in mind that this bolt catch requires a mil-spec bolt catch spring and plunger (not included) and works with standard mil-spec lower receivers; compatibility with billet lowers is not guaranteed. The extended controls do partially cover the hammer pin hole, so you may need a smaller punch to remove the hammer pin from the left side—a minor trade-off for the handling gains.
| Product | Geissele Maritime Bolt Catch |
| Platform | AR-15 |
| Finish | Matte |
| Compatibility | Mil-spec M16/M4 bolt catch receivers |
| Installation | Requires mil-spec bolt catch spring and plunger (not included) |
Yes, if your lower receiver is designed to accept a mil-spec M16/M4 bolt catch. Compatibility with billet AR-15 lower receivers is unknown, so verify before purchase if you're using a billet lower.
Yes. A mil-spec bolt catch spring and plunger are required for assembly and are not included with the Maritime Bolt Catch. If you're replacing an existing bolt catch, you can reuse those parts from your current setup.
Yes—that's one of the primary design advantages. The extended controls allow left-handed shooters to manipulate the bolt catch with their index finger without breaking their firing grip, making magazine changes and bolt lock-back faster and more efficient.
The extended controls partially cover the hammer pin hole, so you may need a smaller punch to remove the hammer pin from the left side of the receiver. The hammer pin should only be installed from the right side.
SKU: 115847237 • Width: 4.25in • Height: 1.5in • Depth: 5.5in • Weight: 0.06oz

