Midwest Industries Bolt Carrier Group BCG 9310 5.56/AR15 Black Titanium Nitride Finish MI-BCG-NIT. The Carpenter 158 Bolt is heat treated shot peened precision ground for perfect dimensions and MPI Tested. The 4140 Billet Gas Key is properly torqued...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Midwest Industries
  • Sku
  • MIBCGNIT
  • Identity
  • 14019809848

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