Hi,
Also check your breach seal, if it’s worn the barrel sits high against the breach making it shoot high.
I have in the past shimmed the breach seal to be slightly proud which lowers impact point.
In worst cases, if it’s a shooter and not a minter, I have SLIGHTLY bent down the barrel in a vice with a steel tide over it, but I stress only a little is needed!
I’ve managed to end up with 3 and they shoot great and make me smile every time I use them.
Good luck.