Rosco Manufacturing Bolt Carrier Group 556NATO/300 Blackout Fits AR-15 Phosphate and Chrome lined Finish Black ROS-BCG-002. 56 / 300 BLK Bolt Carrier Groups are Phosphate Coated with Chrome Lined Gas Key & Bolt Channel" Full-Auto rated" properly...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Rosco Manufacturing
  • Sku
  • ROSBCG002
  • Identity
  • 33342666473

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