[jcm24m]

20gr bullet = start 16.0gr 3537 fps / 18.1gr 3984 fps 103% fill ratio
25gr bullet = start 15.0gr 3255 fps / 17.0gr 3653 fps 98% fill ratio
This is direct out of the BERGER reloading manual for VIT. N-133.
I prefer H-322 for my 17FB and my 17/23 SMc . Hope this helps. JCM24M