Aero Precision M4E1 223 Rem/5.56 NATO Complete Upper, 14.5" Barrel w/ VG6 Precision GAMMA 556 SL (pinned and welded) - Black

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.