Well crap. Latest test of 147gn 9mm poi is 3"-4" low at 25' poa. Not wanting to change out another front sight, so I guess I'll try to locate some 124gn bullets to increase the velocity for a flatter trajectory near a similar charge with TG. Really wish you could purchase 20 bullets instead of 100+.
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.
"It takes considerable knowledge just to realize the extent of your ignorance"