I like the powerbelts I've been using ok for Mississippi deer hunting. My shots aren't but about 100 yards or so.
I've tried 2 different weights. neither pattern tightened up.

In my rifle, I don't trust them at 200+ yards. Not in love with them even approaching 150.

I desire accuracy at longer ranges first, it doesn't matter how good the bullet impact is if I can't hit the animal well enough in the first place.

I will try some suggestions from here.