Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO Black Hardcoat Anodzied

Product Code:APAR600201AC


The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1". Included is a barrel nut and wrench, port door and forward assist. This model has a black hardcoat anodized finish. NOTE: This upper is not piston-kit compatible.

Type Complete Gas Impingement
Caliber 223 Remington/5.56 NATO
Sights None, Optic Ready
Barrel Length
Barrel Material
Barrel Description
Barrel Finish
Receiver Description7075-T6 Aluminum
Receiver Finish Black Hard Coat Anodized
Handguards Free-Floating
Handguard Finish Black Hard Coat Anodized
Barrel Length Range

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