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5.56 DuraBolt Silver (CrN) - Bolt Carrier Group

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$275.00
SKU:
DB-CRN-556
Weight:
0.72 LBS
Shipping:
$15.00 (Fixed shipping cost)

 Product Description

The F-1 Firearms DuraBolt Silver 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 DuraBolt Silver is enhanced with a Physical Vapor Deposition (PVD) CrN coating, which gives it an extremely durable and corrosion resistant silver mirror finish. The DuraBolt Silver’s coating also offers excellent lubricity with a 0.30 coefficient of friction.

  • Carpenter 158 bolt, ground after heat treat, MPI and HPT
  • 9310 steel carrier, ground after heat treat
  • Due to current demand, please allow up to 30 days for shipment

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