© Palmetto State ArmoryPSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
- Brand
- Palmetto State Armory
- Category
- Gun Parts
- Platform
- AR-15
- Gun Part Type
- Bolt/BCG
- UPC
- 516446953
Overview
The PSA 5.56 Nitride Full-Auto Bolt Carrier Group features an 8620 steel carrier and a 9310 steel bolt. The bolt has undergone magnetic particle inspection (MPI) to ensure structural integrity and quality. The gas key is hardened to USGI specifications, secured with Grade 8 fasteners, and staked per Mil-Spec to ensure reliability during operation.
Price & Stock History
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