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Mfg Item #: 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 |
---|---|
Series | Enhanced Upper Receiver |
Sights | None, Optic Ready |
Caliber | 223 remington556 nato |
Handguards | Free-Floating |
Handguard Finish | Black Hard Coat Anodized |
Receiver Description | 7075-T6 Aluminum |