Aero Precision M4e1 Assembled Upper Receiver 16" 5.56 Carbine Length
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