Description
Aero Precision M4E1 Upper and Lower receiver set for the AR15.Threaded Bolt Catch Roll Pin – Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included).Integrated Trigger Guard – Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon.Upper Tension Screw – Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver.Threaded Takedown Pin Detent Recess – Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room).Increased Magwell Flare – Increased the flare of the magwell to aid in quick and efficient magazine changesNew enhanced forging that gives the upper receiver a “billet look”New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series HandguardsM4 Feedramps.250 takedown pin holesLaser engraved T-marksMust ship to a U.S. FFL dealer








