Guntec USA Bolt Carrier Group BCG Mil-spec Nitride GT-BCG. The Bolt Carrier Group is made up of an 8620 Steel Bolt Carrier and a 9310 Bolt that is magnetic particle inspected. The mechanical surface of the Bolt Carrier is Nitride treated giving it...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Guntec USA
  • Sku
  • GTBCG
  • Identity
  • 9038011073

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