- Shot-peened bolt for strength and durability
- Extractor booster for reliable cycling
- Magnetic particle inspected
- Properly staked gas key to prevent gas leaks
- Chrome Lined Carrier
If you are looking to complete your AR build or simply upgrade your bolt carrier group, this Daniel Defense BCG is the perfect choice! This mil-spec Bolt Carrier Group features a shot peened bolt with extractor booster to ensure consistent cycling during semi-auto or full-auto fire. The Bolt Carriers are chrome lined, and have properly staked gas keys to prevent gas leakage that can possibly lead to short stroking. This Daniel Defense bolt carrier assembly has also been magnetic particle tested to ensure the assembly is free of any imperfections.