IMR 7828 was a laying on of the hands for my 240. Several friends like it too for 257's and 300's. We all get published velocity.
I started a Mk V 257 on Reloader 22 and it does OK. Based on my buddies results, however, I'm going to IMR 7828 when the current loadings are consumed.
Last edited by 1minute; 12/16/13.
