CMMG Barrel Sub-Assm 10.5in MT 4140CM Salt Bath Nitride 5.56mm 55D8D0A. The 10.5 5.56mm barrel is no exception. Rest assured that all barrel sub-assemblies are properly headspaced and perfect for your next AR build. Specifications for CMMG AR 5.56mm...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • CMMG
  • Sku
  • 55D8D0A
  • Identity
  • 34671958713

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