I run 3 of the Midas TAC's; two 6-24x50 and one of the 5-25x56. All MOA. I mount and move between different rifles. From 22LR out to 550 yds, 6.5x47 NRL/PRS competition rifle to over 1000 yds to over 600 yds with a 45 cal muzzleloader. They just work!