PRI designs and manufactures a line of tactical-grade optical mounting systems, mil-spec., custom rifles and uppers for the AR15 family of rifles including the Mark 12 Mod 0 and Mod H, 6.8 and 5.56 steel magazines, night vision mounts, scope rings, bases, carbon fiber forearms in different configurations, Gas Buster® charging handles standard and ambidextous, and auxiliary iron sights for LE/military and civilian shooters. PRI offers custom design and build services for high and low production shooting products. (less)