Yup. Stock one type of primer. They do get a few more FPS. In my 9mm, the SRP's will get the bullet out of the end of the barrel with no powder. Perfect Steel Challenge load Adios,TG
I agree with the heavier bullet being more push than snap... has been true with .45 and why I like the 230gr manholes for my loads.
now have to ask did you find that out on purpose?