Welcome to the mini forum Ban, sounds like you are well on your way to accurizing your mini. As far the type of ammo to shoot each mini is different. My 196 SS Ranch shoots Winchester 45 gr varminter, about 1 1/2" groups (average), and my reloads 63 grn. Sierra's average about 1.15" so far, need to tweek a little more. Still I'm pleased with it so far. I would shoot as many different types as possible, before buying 1,000 rds of something that dosen't shoot well in your mini. Bedding my mini's stock tightened groups 3/4", and got rid of the flyers. Good luck.