The High Tower Armory 90 22 is a Ruger 10 22 conversion kit that takes your standard 18.5” Ruger rifle and turns it into a compact, light weight futuristic design that is accurate and fun to shoot. Recently we converted ours, added a Vortex Viper red dot and took her out to the range to zero and see how she ran. And she ran light, compact, accurate and awesome. After zeroing in at 18 yards, a lot of hunting and pecking at battleship, and then some runs against a pair of plate racks was more than