Aero Precision’s state of the art M4E1 platform starts here, with the M4E1 Upper Receiver. The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, Aero has condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional lightening cuts to save weight and allow for more efficient cooling.
Ease of installation – Simply insert your barrel assembly into the M4E1 upper, tighten it using the included barrel nut and slide your rail on and tighten the rail screws. Within minutes you have a modular, free-floated rail.
Features:
- M4 Feedramps
- .250 takedown pin holes
- Comes assembled, with dust cover and forward assist installed
- Handguard mounting platform is forged into the receiver
- Compatible with Aero Precision Enhanced and Quantum Series handguards but also fits most BAR-system handguards
- Barrel nut and wrench are included
- These uppers are not piston-kit compatible
- Will support barrels with a diameter up to 1″
Technical Information:
- Platform: AR-15
- Material: Machined from 7075-T6 forged aluminum
- Finish: Magpul FDE Cerakote
- Compatibility: Works with standard AR15/M16 components
- Weight(s): 12.4oz
- Barrel Nut Torque: 55 ft-lbs
Includes:
- AR15 M4E1 Upper Receiver in FDE Cerakote
- Port Door and Forward Assist installed
- Barrel nut
- Barrel nut wrench
SKU: APAR501802AC
SKU: APRH100399C
SKU: APRH101237
SKU: APAR308506AC
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