Aero Precision M4e1 Assembled Upper Receiver 16" 5.56 Carbine Length

Aero Precision's M4E1 5.56mm 16" Carbine Upper Receiver comes fully assembled, minus only the bolt/carrier group and charging handle – the two components any AR-15 fan with even a little urge to customize wants to replace anyway. Aero's M4E1 receiver combines the unique look of a custom billet receiver with the affordability and "mil-spec" parts compatibility of a forged receiver. The M4E1 5.56mm 16" Carbine Upper Receiver comes with Aero Precision's latest Gen 2 Enhanced M-LOK Handguard installed to form a solid, monolithic accessory mounting platform. The full-length Picatinny top rail runs from the rear of the receiver across the entire Mfg: Aero Precision