Guntec USA has expanded their series of AR-10 pattern bolt carrier groups with the addition of PVD coated Rainbow bolt carrier groups.
KEY DETAILS:
- 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
To learn more about Guntec USA. CLICK HERE