Palmetto State Armory .223/5.56 Black Nitride Fully Auto BCG
PSA 5.56 nitride MPI full-auto bolt carrier group. Bolt is Magnetic Particle Inspected (MPI). 8620 Full-auto profile bolt carrier group with 9310 steel bolt. Gas Key Hardened to USGI Specifications, Fastened with Grade 8 screws, and Staked Per Mil-Spec.
- Manufacturer: Palmetto State Armory
- Platform: AR-15
- Bolt Finish: Nitride
- Bolt Steel: 9310
- Profile: Full Auto Profile
- Gas Key: Grade 8 Hardened Fasteners, Staked per MilSpec
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