There you go ,without reloading you just have to try all the factory ammo you can to find the right combo. I don't buy centerfire ammo,but I know my rimfires always seem to like the expensive stuff. It's well worth it when you find the right stuff.That's more like it! First group @ 150 yds with Federal 73 gr Berger. Center black circle is 23/32nds. Why did it have to be the more expensive ones.