Description
Lightweight AR-15 Nitride MPI 5.56/.223 Bolt Carrier Group (BCG)
Product Specs:
- .233/5.56 NATO
- 8.9 Ounces, weighting 25% less than a standard BCG
- Salt bath nitride finish
- 9310 steel carrier
- Carpenter 158 steel bolt
- Staked gas key
- 4140 steel extractor
- MIL-SPEC O-ring
- MIL-SPEC gas rings
- 4140 steel cam pin
- 8740 steel firing pin with hard chrome finish
- Magnetic particle inspected
- Proudly made in the U.S.A.
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