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    BCM Bolt Carrier Group MPI - Auto

    Manufacturer: Bravo Company
    Manufacturer part number: BCM-BOLT-CARRIER-GROUP-AUTO-MP
    Availability: Out of Stock - backorder and will be shipped once in stock.
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    BCM® MPI complete bolt carrier group is fully assembled. BCG

    Bolt carrier group auto version for your AR15, M16, or M4. Parkerized exterior and chrome lined inside the carrier. Machined to USGI specifications. This M16/M4 carrier includes the proper Mil-Spec gas key. The gas key is chrome lined and heat treated per GI specifications. The gas key is secured to the carrier via USGI domestic mfg Grade 8 fasteners and properly staked per Mil-Specs. These properly hardened parts insure a strong staking and proper gas system functioning.

    The bolt assembly is machined from the correct Mil-Spec Carpenter No. 158® steel, shot-peened for increased strength, includes tool steel machined extractor and ejector, BCM Extractor Spring, and is HPT High Pressure Tested and MPI Magnetic Particle Inspected.


    • Milspec Carpenter No. 158® steel
    • HPT Bolt High-Pressure Tested/ Proof
    • MPI Bolt Magnetic Particle Inspected
    • Shot Peened Bolt
    • Chrome Lined Carrier AUTO
    • Chrome Lined Gas Key
    • Gas Key Hardened to USGI Specifications
    • Grade 8 Hardened Fasteners
    • Key Staked Per Mil-Spec
    • Tool Steel Extractor
    • BCM Extractor Spring
    • Black Extractor Insert
    • Mil-Spec Crane O-Ring
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