3 in stock
The Sionics NP3 Bolt Carrier group is manufactured from Carpenter 158 Steel and is HP/MPI tested and inspected. The Sionics Bolt Carriers are machined to USGI specifications and are hardened and staked for proper function. The NP3 coating creates a permanently lubricious surface to reduce the need for lubrication.
- Complete BCG
- Carpenter 158 Steel
- NP3 Coated
- Sprinco 5-Coil Heavy Duty extractor Spring