ITEMS ON SALE TODAY >>> CLICK HERE! >>>> Oregon Mag Notice: Due to new laws, we will no longer be able to ship mags Over 10 rounds starting 11/25/22.
The AR15 Rifles modular design allows you to easily switch out the upper and change calibers or configurations. Simply push the 2 lower pins out and install the new upper and you are ready to rock & roll! Atlantic Firearms offers a wide variety of AR-15 rifles and AR15 Upper receivers. We carry a varitey of upper receivers in many barrel lengths and rail configurations.