- Caliber: 5.56/.223
- Bolt Finish: Black DLC - UPT P51+ (DLC)
- Bolt Steel: Carpenter No. 158 Steel
- Gas Rings: Sprinco
- Profile: Lightweight Profile
- Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpec
This BCG is made with a Carpenter 158 bolt with a lightweight profile, designed to be used in AR-15 & M-16 style rifles. The bolt is equipped with Sprinco Gas Rings and coated with UPT P51+ (DLC).
