Description
The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique full-auto carrier design with practical improvements in two key areas:
- Strategically relocated load bearing surfaces reduce carrier tilt/can’t during recoil, thus increasing reliability and longevity.
- Additional wall thickness in the gas exhaust port area for added strength and rigidity.
The 9310 Bolt is machined to mil-spec dimensions and then the external surfaces including the lugs are CNC ground after the heat treating process to ensure a very precise fit. The bolts themselves feature the same Black Nitride finish as the carrier and are High Pressure (HP) Tested and Magnetic Partical Inspected (MPI) in accordance with Mil-STD-1816 specifications.
Additional information
| Weight | 13.2 oz |
|---|---|
| Dimensions | 3.25 × 0.625 × 0.625 in |
| Bolt Material | 9310 Steel |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Finish | Black Nitride, Chrome, DLC, TiN |
| Carrier Profile | Enhanced |
| High Pressure Tested | HP Tested |
| Magnetic Particle Inspected | Magnetic Partical Inspected |
| Platform | AR-15 |
| Bolt Finish | Salt Bath Nitride |
| MPN | D009-1, D009-2, D009-4 |
| UPC | 810084370049, 810084374771, 810084374856 |
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