Aero Precision M4E1-T, AR15 Complete Upper, 300 Blackout, 8 Barrel, 1:7 Twist, Pistol Length Gas System, Cerakote Finish, Flat Dark Earth, Does Not Include BCG or Charging Handle APAR700711M1

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.