Aero Precision No Forward Assist M4E1 Assembled Threaded Upper Receiver AR15 AR-15

This upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. Machined from custom 7075-T6 aluminum forgings this upper receiver is compatible with mil-spec AR15 components.

New enhanced forging that gives the upper receiver a "billet look"

New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards

M4 Feedramps

.250 takedown pin holes

Laser engraved T-marks

No Forward Assist - A first for our M4E1 Threaded Upper Receivers and as developed with Thunder Ranch

Assembled M4E1 Threaded Upper Receiver in Anodized Black