
Availability: In Stock
The CMMG M16/AR firing pin retainer is a critical steel component for AR-15 platform rifles. This small but essential part keeps your firing pin assembly secure and functioning reliably, whether you're building a custom rifle, maintaining existing hardware, or replacing a worn component. As a replacement part made by CMMG—a manufacturer with two decades of AR platform expertise—this retainer meets the exacting standards expected in quality rifle builds.
Firing pin retainers wear over time or can be lost during disassembly and cleaning. Having a spare on hand is smart maintenance, especially if you shoot frequently or run multiple AR-15s. The steel construction ensures durability through countless cycles, and the straightforward design means zero compatibility headaches with standard AR-15 platforms.
Whether you're a competitive shooter, hunter, or recreational marksman who prefers to keep spares in your gunsmithing kit, a quality firing pin retainer from a reputable manufacturer like CMMG is a no-brainer addition to your parts bin. Small components matter in rifle reliability.
| Manufacturer | CMMG |
| Part Type | Firing Pin Retainer |
| Material | Steel |
| Compatibility | AR-15 |
Yes, the CMMG M16/AR firing pin retainer is designed to fit standard AR-15 platform rifles.
The firing pin retainer is a small steel component that holds the firing pin in place within the bolt carrier group. You may need a replacement if yours is lost during maintenance, damaged, or worn from heavy use. It's also smart to keep a spare in your parts kit.
This is the retainer component only, not a complete firing pin assembly.

SKU: 167514261 • Width: 4in • Height: 0.25in • Depth: 6in • Weight: 0.2oz





Availability: In Stock
The CMMG M16/AR firing pin retainer is a critical steel component for AR-15 platform rifles. This small but essential part keeps your firing pin assembly secure and functioning reliably, whether you're building a custom rifle, maintaining existing hardware, or replacing a worn component. As a replacement part made by CMMG—a manufacturer with two decades of AR platform expertise—this retainer meets the exacting standards expected in quality rifle builds.
Firing pin retainers wear over time or can be lost during disassembly and cleaning. Having a spare on hand is smart maintenance, especially if you shoot frequently or run multiple AR-15s. The steel construction ensures durability through countless cycles, and the straightforward design means zero compatibility headaches with standard AR-15 platforms.
Whether you're a competitive shooter, hunter, or recreational marksman who prefers to keep spares in your gunsmithing kit, a quality firing pin retainer from a reputable manufacturer like CMMG is a no-brainer addition to your parts bin. Small components matter in rifle reliability.
| Manufacturer | CMMG |
| Part Type | Firing Pin Retainer |
| Material | Steel |
| Compatibility | AR-15 |
Yes, the CMMG M16/AR firing pin retainer is designed to fit standard AR-15 platform rifles.
The firing pin retainer is a small steel component that holds the firing pin in place within the bolt carrier group. You may need a replacement if yours is lost during maintenance, damaged, or worn from heavy use. It's also smart to keep a spare in your parts kit.
This is the retainer component only, not a complete firing pin assembly.
SKU: 167514261 • Width: 4in • Height: 0.25in • Depth: 6in • Weight: 0.2oz
