Description
Product
MCS AR .308 Cal Bolt Carrier Group MIL-SPEC BCG – Rainbow PVD Coated
- Made for 7.62X51 / 308 Cal
- 9310 Hardened Steel Bolt
- Hardened Extractor S7 Tool Steel
- Matte Rainbow PVD Coated Finish(Physical Vapor Deposition)
- 17-4 Stainless Steel Firing Pin (Heat treated to H900 Condition)
- The group comes fully assembled with properly torqued and staked gas key
- HPT/MPI Tested and Marked
- 8620 Carrier and Gas Key
- Made in the USA
