Aero Precision AR-15 M4E1 Builder Set with Lower Receiver, Upper Receiver, & Handguard - Custom Finish

The Aero Precision M4E1 Builder Set includes a Stripped M4E1 Lower Receiver, a M4E1 Threaded Upper Receiver in Anodized Black with port door and forward assist installed, and a Free Float Handguard of Aero Precision's choosing. Built from 7075-T6 Aluminum, this set is designed to pair with mil-spec AR-15 parts. Includes: Stripped M4E1 Lower Receiver, Nylon tipped tensioning set screw, Threaded Bolt Catch Pin. Free Float Handguard is included with your choice of Aero Precision handguard. Finish is Cerakote - Custom Finish. Not available to ship to California, Illinois, Massachusetts, or Washington.