Product Unavailable
Unfortunately, the following product is currently unavailable through Rainier Arms.
F-1 Firearms 5.56 NATO DuraBolt Bolt Carrier Group (BCG)
Bolt
The F-1 Firearms DuraBolt direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to ensure tolerances.
Features:
- TTZ is a proprietary coating from F-1 Firearms
- Carpenter 158 bolt, ground after heat treat, MPI and HPT
- 8620 steel carrier, ground after heat treat
- Weight: 0.72 lbs
| SKU | DB-556-TTZ-X |
|---|---|
| Product Type | Bolt |
| Manufacturer | F-1 Firearms |
| Platform | AR-15 |
| Caliber | 5.56 NATO |
