With two single stage presses you can resize and do all your brass prep like Unclenick stated, including installing the primer, then ...
powder charge the cases in batches,
set up one single stage press for seating - seat
and the other for crimping - crimp
I'm assuming you will be using a bullet with a crimp groove for your AR. It goes pretty quickly and you can do quite a few in a short time. The brass prep is 80% of the work.
Gun control is hitting what you aim at..