Aero Precision M4E1 5.56 Mid-Length Semi Automatic Rifle AR-15

Product Features & Specifications Aero Precision APCR640440 M4E1 5.56x45mm NATO 30+1 16" Mid-Length Barrel, Black, 15" Enhanced M-LOK Handguard, Magpul Grip/SL Carbine Stock, Ambi Charging Handle/Safety The Aero M4E1 Rifle is built on Aero's Enhanced Series Upper Receiver. Featuring a custom integrated upper receiver and handguard system, the shooter is provided a light-weight, free-floated rigid design. Superior performance and accuracy is the result in every M4E1 Complete Rifle. Aero Precision M4E1 Upper Receivers – Threaded vs Enhanced