Guntec USA Bolt Carrier Group BCG Ar10 .308 Mil-spec Nitride GT-BCG-308. These Bolt Carrier Groups from Guntec USA have a properly-tightened and gas key staked properly so users don't need to worry about damaging their BCG's finish. For even further...

Out of stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Guntec USA
  • Sku
  • GTBCG308
  • Identity
  • 9038027566

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