LEFT HANDED Black Nitride Bolt Carrier Group - MPI Bolt
This Left Handed black nitride BCG is a great choice for any left handed build and comes in a mil-spec design and lifetime warranty. The bolt is made from enhanced 9310 steel while the carrier is made from 8620 tool steel. It is shot-peened and magnetic particle inspected before being made available for sale and has a variety of other top-of-the-line features, including:
- 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
- Caliber: .223 / 5.56 / 300 Blackout
- Maximum Purchase:
- 10 units