Aero Precision M4E1-T Complete Upper Receiver 5.56 NATO 16" Barrel, Black Anodized - APAR700305M7

Aero Precision M4E1-T complete upper receiver chambered in 5.56 NATO/.223 Remington with a 16" barrel featuring a 1:7 twist rate and mid-length gas system. Includes ATLAS S-ONE handguard with anodized black finish. Does not include bolt carrier group or charging handle; requires separate installation of these components.