Primary Weapons Systems was formed in 2008. Our goal was to keep the core values of the AR15 design, while also lessening the need for maintenance by using a long stroke piston operating system. We take great pride in the fact that it is hard to find a customer who owns just one of our products. Once someone gives our rifles and accessories a try, they are hooked on the gentle push type recoil, high standards of craftsmanship, and reduced need for maintenance. (less)