Mean Arms Bearing Delay AR-15 9mm 4.5in Upper Receiver Assembly 1/2x28 Black 2101669. The ball bearings interface with corresponding features in the barrel extension and provide the lockup in battery and the delay after firing. The system can be...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Mean Arms
  • Sku
  • 2101669
  • Identity
  • 36825882533

Customers Also Searched