CMMG Mk4 .300BLK Banshee Upper Group Receiver 12.5in Coyote Tan 30B8A6F-CT. With the 12.5 BANSHEE upper group you can build your next 300BLK AR with character like no other. Specifications for CMMG Mk4 .300BLK 12.5in Banshee Upper Group Receiver:...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • CMMG
  • Sku
  • 30B8A6FCT
  • Identity
  • 21836663146

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