Radian 5.56 Enhanced Bolt Carrier Group

SKU: R0081

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Radian 5.56 Enhanced Bolt Carrier Group

Full Auto BCG!

The Radian 5.56 Enhanced Bolt Carrier Group, R0081, is designed for the AR15/M16 platform to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All materials, tolerances, and coatings meet or exceed mil-spec standards for performance, reliability, and durability.

Product Features

  • HPT/MPI Tested
  • Self-Lubricating Black Nitride Finish
  • Full Auto Compatible
  • Case Hardened 9310 Steel Bolt; Shot Peened
  • Billet Machined Case Hardened 8620 Steel Carrier
  • 4130 Steel Gas Key; Grade 8 Fasteners
  • Properly Staked
  • 11.4 oz

Product Information

Made in USA


Part Type

Bolt Carrier Group, Upper Receiver Parts



Coating Type

Black Nitride


223 Rem, 300 Blackout, 350 Legend, 5.56 NATO

Bolt Material

9310 Steel

Carrier Material

8620 Steel


Forward Assist Serrations


Standard AR15 components



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