Thoughts, or an alternative suggestion?
Been playing with a new 260 lately with 123 Amax in a 24" tube.
I started at 38 grains of both Varget and R-15.
Varget gave me 2785.
R-15 gave me 2725.
Accuracy didn't show up till 40 grains with either.....
6 year old thread, but still valid.....