Originally Posted by
defilade
I used 4.6grs of Winchester 231 which should be 861fps and 4.2grs of titegroup which should be 919fps according to their data.
With 231 I got 726fps out of my S&W 19 with a 4” barrel. When I did 4.3grs I got 622fps the book showed 809fps
Titegroup gave me 740fps with the same gun
I think I did try some without any crimp other than what you get with the seating die and it didn’t change anything.