I am trying to work up a load using Zero 147gr JHP’s to replicate the standard pressure 147gr HST. I would prefer to stay at standard pressure if possible, and within “book” max loads. I have tried N340, Silhouette, and True Blue. From a 4 inch barrel, I am getting:
4.3gr N340: 960fps
5.5gr Silhouette: 1,038fps (+P)
5.5gr True Blue: 980fps (+P)
Silhouette gives the lowest SD I have achieved with any powder. The only thing that concerns me about it is that I am at the top of Ramshot’s +P range.
I was thinking of trying BE-86 or N350 next. Given the above, would they be good choices to get to 1,000fps at standard pressure, or is there a better option I should consider? Thanks.
4.3gr N340: 960fps
5.5gr Silhouette: 1,038fps (+P)
5.5gr True Blue: 980fps (+P)
Silhouette gives the lowest SD I have achieved with any powder. The only thing that concerns me about it is that I am at the top of Ramshot’s +P range.
I was thinking of trying BE-86 or N350 next. Given the above, would they be good choices to get to 1,000fps at standard pressure, or is there a better option I should consider? Thanks.