M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard
This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our 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.
- M4E1 Threaded Assembled Upper Receiver
- ATLAS S-ONE Handguard of choice
- 10.5" 5.56 CMV Barrel
- Low Profile Gas Block and Carbine Length Gas Tube
- Product comes assembled