The AERO PRECISION M4E1T Complete Upper in 5.56 NATO with an 11.5" barrel offers a perfect balance of compactness and performance for your AR build. This upper features the enhanced M4E1 design, seamlessly integrating with the ATLAS handguard system. The 11.5" barrel provides improved ballistics over shorter barrels while maintaining excellent maneuverability, making it ideal for various tactical applications.

Features and Specifications:

• Caliber: 5.56 NATO
• Barrel Length: 11.5", 4150 Chrome Moly Vanadium steel
• Barrel Profile: Government
• Twist Rate: 1:7
• Gas System: Carbine length
• Muzzle Thread: 1/2"-28
• Upper Receiver: M4E1 Enhanced, 7075-T6 aluminum
• Handguard: 9" ATLAS R-ONE M-LOK compatible
• Finish: Type III Hard Coat Anodized black
• Includes: A2 flash hider, low-profile gas block, and gas tube
• Overall Length: 23.1"
• Does not include bolt carrier group or charging handle