I would reload for 12. Many options in loads to do anything you want. The Mecs` are great. I also invested in a Universal Charging Bar..hell of a lot easier to set up, and no bushings to fool with. I do check both charge & shot weight before loading, tho the guide that comes with the bar is close.
Also, shooting one gun that fits and hits where your looking can`t be under estimated...I`ve done, and am done, with the multiple gun/gauge thing.
Good luck.
