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Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper chrome lined and heat treated gas key. Gas key is secured to carrier with Grade 8 fasteners and properly staked per Mil-Specs. This insures a strong staking and proper gas system functioning. The bolt assembly is CNC machined from Mil-Spec Carpenter No. 158® steel and shot peened for increased strength per Mil-Spec; includes tool steel extractor with spring and viton O-ring; firing pin chromed finished with firing pin retaining pin and cam pin.

HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).

Cryptic Coating's BCG

SKU: CCBCG
$125.00Price
  • Complete Mil-Spec M-16 Bolt Carrier with Bolt Assembly HPT/MPI Tested:

    • Mil-Spec BCG Machined from 8620 Aircraft Quality Steel and heat treated to 60-61 RC
    • Mil-Spec Chrome Lined Carrier Interior
    • Mil- Spec Chrome Lined Gas Key
    • Key Staked with Grade 8 Screws, per Mil-Spec
    • Mil-Spec Carpenter 158® Bolt w/ Spring and Ejector 
    • Tool Steel Extractor w/ Spring and viton O-ring
    • Mil-Spec Firing Pin w/ Chrome Finish
    • Mil-Spec Cam Pin
    • Full Auto Carrier (Backward compatible with all semi-auto rifles)
    • 5.56 BCG Weight - 11.55 oz.
  • 30 Day returns if  needed. $25.00 re-stocking fee may apply.

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