Bushmaster Bravo Zulu A4 5.56 NATO Upper Receiver 16in 1-8 Twist Black

Bushmaster Bravo Zulu A4 5.56 NATO Upper Receiver 16in 1-8 Twist Black. Bravo Zulu meaning a job well done is introduced into the XM15-E2S family with a free float rail the Snake Charmer Muzzle Brake and MLOK Free Float Rail with QD Sling Swivel Mounts. Specifications for Bushmaster Bravo Zulu A4 Upper Receiver 16in: Manufacturer: Bushmaster Caliber: 5.56x45mm NATO Overall Length: 25 in Barrel Length: 16 in Barrel Profile: Hybrid Gas System Length: Mid Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: BFI Snake Charmer Finish: Salt Bath Nitride Color: Black Fabric/Material: 7075 Aluminum Gas Block Journal Size-Diameter: .750 in Handguard Length: 14 in Gun Rail: M-LOK Weight: 5.5 lb Condition: New Magazine Included: No Attachment Type: Quick Detach Features of Bushmaster Bravo Zulu A4 Upper Receiver 16in MLOK 14 Free Float Rail with QD Sling Swivel Mounts Salt Bath Nitride Bolt Carrier Group MPI Tested Bolt Snake Charmer Muzzle Brake Package Contents: Bushmaster Bravo Zulu A4 Upper Receiver 16in Bushmaster 00-40006-BLK: Bravo Zulu A4 5.56 NATO Upper Receiver 16in 1-8 Twist Black