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. NOTE: This upper is not piston-kit compatible. Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
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Firearm Fit: | AR-15 |
Weight: | 10.24 oz |
Series: | Enhanced Receiver |
Type: | Semi-Complete |
Gun Platform: | AR-Style |
Receiver Finish: | Black Anodized |
Caliber: | 5.56x45mm NATO |
Sights: | Optic Ready |
Model: | M4E1 |
Receiver Material: | 7075-T6 Aluminum |