Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 10.5" Barrel, 1:7 Twist, Carbine Gas System, ATLAS R-ONE 9" M-LOK Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700702M2

This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The 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
• 9" M-LOK ATLAS S-ONE Handguard
• 10.5" 5.56 CMV Barrel
• Low Profile Gas Block and Carbine Length Gas Tube
• Product comes assembled
• This complete upper does not include BCG or Charging Handle