Quote Originally Posted by Tim K View Post
You MIGHT be going the wrong direction. .357 mag loads shoot lower that .38 loads in the same gun for me. I surmise this is because the bullet is out of the barrel before it rises as far. At 25 yards, I don't think bullet drop is the problem.
I'd agree with you.. Bullet weight might be part of the problem, not all of it. Curious to know load data for the 147's. Without going to the shop iirc 147 gets 3.3 of TG.