V2 Black Nitride AR/M16 .223/5.56 Bolt Carrier Groups.
- 8620 Tool Seel Enhanced Radius design (Angle Cut) Carrier with inside and out Black Nitride Treatment
- Carpenter 158 Steel MPI Bolt with inside and out Black Nitride Treatment
- Extractor has Black Insert and O-Ring upgrade
- Billet Machined 4140 Steel Gas Key
- Grade 8 Fasteners
- Military Specification Gas Key Staking
