Bushmaster Bravo Zulu AR Upper Assembly - Black 5.56 Nato 16" Barrel 14" Bfi Free Float M-Lok Rail Snake Charmer Muzzle Brake 00-40011-BLK

Type: Complete
Caliber: 5.56x45mm NATO
Sights: Optic Ready
Barrel Length: 16"
Barrel Material: 4150 Chrome Moly Vanadium Steel
Twist: 1:8"
Barrel Finish: Black Nitride
Receiver Finish: Black
Handguards: 14" M-LOK
Handguard Finish: Black
Barrel Length Range: 16" to 16.99"