Wow, it takes me 5.5 Gr of 231 to make power plus a little pad for cool days, variance in chronos. I'm running about 865fps with that charge and a 200 Gr LSWC from Missouri Bullet. Currently using Federal primers and an OAL of 1.24 as well. 5" 1911.I have a good loads that might intrest you.
200 grain lswc (dardas bullets)
win wlp primer
win brass (used)
5.2 grains of win 231 powder
oal 1.24
this has been a good load for me pf is good