Bushmaster Bravo Zulu Upper Assembly 20in 450BM Black 00-40009-BLK. This upper assembly features an barrel made from 4150 CMV steel finished with a Salt Bath Nitride treatment for improved durability and corrosion resistance. The barrel boasts a...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Bushmaster
  • Sku
  • 0040009BLK
  • Identity
  • 31950080643

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