Adams Arms P1 Upper 5.56 NATO / .223 Rem 16″ Barrel
Aero Precision M5E1 Enhanced Complete Upper Receiver 15″ M-Lok Black 6.5 Creedmoor 20-inch
Aero Precision M5E1 Enhanced Upper Black 6.5 Creedmoor 20-inch
The Aero Precision M5E1 Enhanced Upper Receiver features a 15″ free floated aluminum keymod handguard and 20″ 416 stainless barrel chambered in 6.5 Creedmoor with a 1 in 8″ rate of twist. The forged upper receiver and handguard are finished in black hard coat anodizing and the stainless barrel features a bead blasted surface. This upper does not include a charging handle or bolt carrier group.
Aero Precision M5E1 Enhanced Upper Receiver .308 Win 18″
Bushmaster 20-inch Predator Upper Receiver Barrel Assembly 5.56mm Black Finish
Charles Daly AR 410 Complete Upper .410 GA 19″ Barrel 5-Rounds
Daniel Defense M4A1 Flat Dark Earth / Black 5.56 / .223 Rem 16-inch
Daniel Defense MK18 Upper Flat Dark Earth 5.56 / .223 Rem 10.3-inch
Daniel Defense Upper MK18 Upper chambered in 5.56 NATO, 10.3″ Hammer Forged Barrel , 1:7 Twist, Flat Top, and Flat Dark Earth Finish.
Del-Ton AR-15 Pre-Ban Upper Black 5.56 NATO / .223 Rem 16″ Barrel
