Bushmaster AR-15 Complete Upper Assembly .450 Bushmaster 16"

Bushmaster AR-15 Complete Upper Assembly (Matte Black) Specifications and Features:

• Bushmaster 91700
• .450 Bushmaster
• 16" Barrel
• 1:24" Twist Rate
• Aluminum Free Float Forend
• Hard Chrome Lined Bore and Chamber
• Optimized for .450 Bullet
• Dust Cover
• Forward Assist
• Muzzle Device
• Low Profile Gas Block
• Mil-Spec Forged Aluminum Upper Receiver
• Mil-Spec Hard Coat Anodized Finish
• Matte Black

Includes:

• One 5 Round (.450 Bushmaster AR-15) Magazine
• Complete Bolt Carrier Group