M4E1 Complete Upper Features

The Aero Precision M4E1 is a complete upper ready to drop on your lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. Built with M4 feed ramps and a 7.5″ threaded barrel, this upper comes assembled with a port door and forward assist installed. It accepts standard AR15/M16 components, the handguard mounting platform is forged into the receiver, and comes with a quantum handguard that has a removable 4-slot picatinny rail section for a front sight. The 1.78-inch inside diameter fits most muzzle devices and is corrosion resistant inside and out. 

M4E1 Complete Upper Specifications

• Manufacturer: Aero Precision
• Type: Upper
• Caliber: 5.56
• Barrel Length: 7.5″
• Color: Black
• Barrel Twist Rate: 1-7
• Description: M-LOK
• Gun Make: AR Platform
• Gun Model: AR-15
• Weight: 39.52oz