14.5" 5.56 M4 Carbine Classic Series w/FSB AR15 Complete Upper (No Handguard)

Includes:

• AR15 Assembled Upper Receiver
• 14.5" 5.56 Government Carbine Length Barrel, Classic Series
• FSB, Delta Ring Assembly, and Carbine Length Gas Tube
• Product comes completely assembled
• This complete upper does not include a BCG, Charging Handle, or Muzzle Device. These products may be selected as add-ons under the drop-down menus
• All Parts Made in the USA

AR15 Upper Features:

• Forged from 7075-T6 aluminum
• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks
• Includes port door and forward assist

14.5" 5.56 M4 Government Carbine Length Barrel, Classic Series Features:

• Twist: 1:7 inches
• Threading: 1/2X28
• Material: CrMoV
• Finish: Chrome-lined bore phosphate finish
• Gas Block Journal: .750
• Gas System Length: Carbine Length