Aero Precision M4E1 Complete Upper - 16" - M-LOK - 5.56mm with BCG & Charging Handle

This complete upper includes the new 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. 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.

Barrel is 5.56 NATO chambering, 16" 1/7 twist, gas port drilled. Carbine Length gas system, M4 feed ramp and a standard A2 flash hider.

Also included is the Black Nitrided Bolt Carrier Group & AR15 Breach Ambi charging handle.