I have a 625-8 also. I can't help you with bullet weight. I shoot nothing but coated 230 RN in that gun and all of my 1911's. I've worked up a nice load and see no reason to experiment. Any round I load can be used in either my 625 or my 1911. Granted, a revolver might shoot about any weight of bullet in any configuration you want but a 1911 won't. I'm around 800 fps.

I like to do load development but rifles are more fun for that. Bullet weight, bullet configuration and powder show the differences much better at longer ranges.

I wasn't aware that the 200 grain bullet was the original JMB design. Why did the Army change that? Just curious.

__________________
That's just somebody talkin.