Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group - Polished Nickel Boron - D112
In stock
The Dirty Bird Industries Nickel Boron Bolt Carrier Group is a substantial upgrade from a standard BGC. Its NiB coating reduces friction on sliding surfaces and prevents carbon build-up making cleaning a much easier task. The NiB coating offers great heat dissipation, allowing reduced wear on the BCG and interacting parts, to further prolong the lifespan of the unit. MIL-SPEC dimensions ensure correct component function and reliability.
Features:
- Machined from 8620 tool steel (carrier) and 9310 carpenter steel (bolt)
- Forward assist serrations
- Shrouded firing pin
- Nickel boron coating inside and out (bolt, carrier, and gas key)
- Forged MIL-SPEC gas key attached with grade 8 hardware and properly staked.
- 5.56 NATO bolt is shot peened and magnetic particle inspected
- MIL-SPEC extractor spring, black extractor insert, Viton O-ring
- Tool steel extractor
- Weight 11.52 oz
100% MADE IN THE USA
Backed by the Dirty Bird Industries Lifetime Warranty
| Weight | 11.84 oz |
|---|---|
| Bolt Material | |
| Cartridge Compatibility | .223/5.56 NATO/.300 BLK |
| Finish | |
| Carrier Profile | |
| High Pressure Tested | |
| Magnetic Particle Inspected | |
| Platform | AR-15 |
| Bolt Finish | |
| MPN | D112 |
| UPC | 00810084370063 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Customer Reviews
- Reviews
- Questions
US
Clean
Very pretty. Few hundred rounds no issue. Easy AF to clean. Shiny and sexy
US
Polished
Nice smooth BCG. Got it on sale but haven't used it yet.
USThe Dirty Bird AR-15 Bolt Carrier... Excellent!
My only problem is I didn't get two. So far I have cycled 200 rnds with no jams or problems. Easy to clean and maintain. Would certainly purchase this product again.
USLooks cool!
Great! Fast shipping and best prize I found after a lot of searching.
USDirty bird
Works as described
