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
Features:
- No Forward Assist
- Custom enhanced forging that gives the upper receiver a “billet look” while maintaining the structural integrity of a forged part.
- Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
- M4 Feedramps
- .250 takedown pin holes
Specifications:
- Manufacturer: Aero Precision
- Cartridge: 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/Mount Type: M-LOK, 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
