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RSR Stock #: F1FDB-556-CRN
Manufacturer Part #: DB-556-CRN
UPC: 810085120872

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F-1 Firearms, Durabolt, Bolt Carrier Group Assembly, .223 Remington/556NATO, Chrome Nitride Finish, Silver, Fits AR-15

  • New



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  • CRN Coated, Silver
  • Carpenter 158 bolt that is ground after heat treat
  • 8620 Steel Construction

Product Description

The F-1 Firearms DuraBolt Black Nitride direct impingement full auto rated M16/M4 bolt carrier group, for use in AR15 platforms, is compatible with MIL-SPEC receivers and associated components. The bolt carrier and bolt are ground after heat treat to ensure tolerances.