Description
Nickel Boron AR10 / .308 Bolt Carrier Group – BCG
This MPI 9310 NiB plated 308 BCG is a perfect choice for your AR10 or any other large frame DPMS pattern AR build. Made from enhanced 9310 steel bolt and 8620 tool steel carrier, this shot-peened BCG is one of the most reliable, well-made carrier groups available. It comes with a lifetime warranty, too, making it ideal for any enthusiast.
- Enhanced 9310 steel (bolt)
- 8620 tool steel (carrier)
- Shot-peened, MPI bolt
- Mil-spec extractor spring, black extractor insert & Viton O-ring
- Tool steel extractor
- Shrouded firing pin
- Mil-spec 4130 steel gas key attached with Grade 8 hardware and properly staked
- All BCG components pre polished before being plated with UCT’s Exclusive EXO Technology and then post polished for an incredible shine.
