Originally Posted by Meathead9
Hodgdon's listed max for the .357sig 124gr XTP is 9.3gr. If I were working this load up, I'd start at 9.4gr. I'd work up in .2gr increments to around 10.4gr for the first round of chrono testing. I'll be waiting for your results. I love my 115's @ 1750fps, but a 124 @ 1650+ might be the ticket.
im trying to hit 1700fps with the 124gr xp. the 124gr xtp have an amazing BC for that bullet size. carrys its energy much better. plus with the longer base i bet thy are more accurate.