Aero’s state of the art M5E1 platform starts here, with the M5E1 Upper Receiver. The M5E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have 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. Simply insert your barrel assembly into the M5E1 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.
Please Note: The M5E1 Upper Receiver is specifically designed to be used with our M5 Enhanced Handguards. It will not work with other AR10/308 handguards.
Features:
- M4 Feedramps
- .2795 takedown pin holes
- Laser engraved T-marks
- Comes assembled, with dust cover and forward assist installed
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision M5 Enhanced Handguards
- Barrel nut included
Includes:
- M5E1 Upper Receiver in Anodized Black
- Port Door and Forward Assist installed
- Barrel Nut
Features:
- Platform: M5
- Material: Machined from 7075-T6 forged aluminum
- Finish: Anodized Black
- Compatibility: Accepts standard AR .308 components
- Weight(s): 16.96 oz
SKU: APAR308505AC
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