5.56 DuraBolt - Bolt Carrier Group

$145.00
Current Stock:
0
SKU:
SKU-556BNBCG
Weight:
0.73 LBS
Shipping:
$15.00 (Fixed Shipping Cost)

Finish *

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.

  • Carpenter 158 bolt, ground after heat treat, MPI and HPT
  • 8620 steel carrier, ground after heat treat