FailZero M16/M4 Bolt Carrier Group BCG No Hammer EXO FZ009-FZM164-01-NH. These Bolt Carrier Groups made by FailZero come fully-assembled for easy drop-in installation on most Mil-Spec upper receivers. All essential components of the FailZero M16/M4...

Out of stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • FailZero
  • Sku
  • FZM16401NH
  • Identity
  • 8937037201

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