American Made Parts for American Rifle Builders

2A Armament

2A Armament AR15 Lightweight Regulated Bolt Carrier Group 5.56 NATO/300 BLK, QPQ Nitride

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The 2A Armament Regulated Bolt Carrier (RBC) is a lightweight carrier with a gas regulating gate built into the carrier itself. This provides a drop in, lightweight solution for those looking to tune your AR-15's gas system. It eliminates the need for adjustable gas blocks, and allows the firearm to be restored to a factory full weight system by simply swapping your full-mass carrier back into your firearm. The RBC has infinite adjustment from fully open, to fully closed on the regulating gate. The RBC can be tuned to most combinations of buffers, springs, suppressors, and barrel lengths.

The 2A Armament Regulated Bolt Carrier (RBC) Is fully adjustable through the port door, and does not require the firearm to be broken down for adjustment.

Specifications and Features:

  • Carrier: 8620 steel, heat treated, QPQ Nitride
  • Bolt:  9310 steel, heat treated, MP, Cryo'd, QPQ Nitride
  • Rear body:  7075-T6, hard anodized clear
  • Extractor: machined, heat treated, QPQ Nitride
  • Carrier key: machined, heat treated, QPQ Nitride, staked screws
  • Regulating gate: machined from 6AL-4V Titanium
  • Weight: 7.9oz assembled
  • Requires customer supplied T-6 Torx tool for adjustment
  • Patent Pending
  • Product of the great state of Idaho, MADE IN THE U.S.A.

  NOTE: Does not support the use of forward assist.  Not compatible with full auto systems

Manufacturer Part #: 2A-LWBCG-A