About the Griffin Armament Enhanced Mil Spec Bolt Carrier Group (BCG)
The Griffin Armament Enhanced Mil Spec Bolt Carrier Group (BCG) is fully billet machined from premium materials and finished in a QPQ Melonite for improved lubricity and surface smoothness. The carrier is machined from 8620 steel and the bolt is machined from 9310 steel. The bolt is properly heat treated, shot peened, and ground after heat treat. The cam pin and extractor are machined from 4340 and features the latest 15,000 round extractor spring design with a Crane O-ring for long term reliability. The gas key is installed with Permatex and staked per military specifications.
- Model: GAEBCG
- Bolt Finish: Melonite
- Bolt Material: 9310 Steel
- Caliber Gauge: 5.56 NATO / .300 BLK
- Carrier Finish: Melonite
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