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ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.
This complete upper receiver features the same tried-and-true construction and aesthetics as M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS R-ONE Handguard is designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. This complete upper receiver does not include BCG or Charging Handle![]()
Includes:
M4E1 Threaded Upper Receiver, No Forward Assist
9.2in ATLAS R-ONE Handguard
10.5in 5.56 CMV Barrel
Low Profile Gas Block and Carbine Length Gas Tube
Port Door Assembly
A2 Flash Hider
| Manufacturer: | Aero Precision |
| Caliber: | 5.56x45mm NATO |
| Barrel Length: | 10.5 in |
| Gas System Length: | Carbine Length |
| Barrel Twist Rate: | 1-7 |
| Handguard Type: | Free-Float |
| Muzzle Device: | A2 Flash Hider |
| Gun Model: | AR-15 |
| Condition: | New |
| Fabric/Material: | 416R Stainless Steel |
| Attachment Type: | Picatinny |
| Gas Block Journal Size-Diameter: | .750 in |
| Handguard Length: | 9.2 in |
| Gun Rail: | Full Top Rail |
| Gun Type: | Rifle |
| Gun Make: | AR Platform |
| Barrel Material: | 4150 Chrome Moly Vanadium |
| Bolt Carrier Group Included: | No |
| Charging Handle Included: | No |
| Magazine Included: | No |
| Mount Type: | M-LOK |
| Country of Origin: | USA |