Aero Precision M5E1 Enhanced Upper Receiver for AR-15 Optic Ready

M5E1 Enhanced Upper Receiver Features The art M5E1 platform starts here with the M5E1 Upper Receiver. The M5E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering Aero has condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging not only is it a stronger system. Included is a M5E1 Upper Receiver Port Door Forward Assist installed & Barrel Nut. M5E1 Enhanced Upper Receiver Specifications Brand: Aero Precision Category: Uppers Gun Platform: AR-10 Style Model: M5E1 Enhanced Upper Receiver Type: Semi-Complete Sights: None Optic Ready Firearm Fit: AR-15 Receiver Finish: Black Anodized Receiver Material: 7075-T6 Aluminum Weight: 16.96 oz