Aero Precision APCR640441 M4E1 5.56x45mm NATO 30+1 16″ Mid-Length Barrel, FDE, 15″ R-ONE 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.