Battle Arms Development Workhorse 10.5in 5.56 Nato Upper Receiver Assembly No Bcg No Ch WH-UR-10.5-556. 5in 4150V Chrome Moly Vanadium steel barrel chambered in 5.56 NATO with a 1:7 twist M4 barrel extension and a Mid-length gas system. The barrel...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Battle Arms Development
  • Sku
  • WHUR105556
  • Identity
  • 30825524480

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