This upper receiver features the same tried-and-true construction and aesthetics as Aero's 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. Features: No Forward Assist Custom enhanced forging that gives the upper receiver a ""billet look"" while maintaining the structural integrity of a forged part. Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards M4 Feedramps .250 takedown pin holes Mfg: Aero Precision
