I am using norma brass for my .300 norma mag, with hornady 220 eld-x bullets and H1000 powder out of a 22" Proof Research carbon fiber barrel. I have been using 84.2 grains and getting 2864 fps on my five round group. How much of a difference in fps do you think a longer barrel would make? I...
I am a little late to this thread, but I figured that I would put my load data out there since I have had a horrible time trying to find much information myself. I am using norma brass, with hornady 220 eld-x bullets and H1000 powder out of a 22" Proof Research carbon fiber barrel. I have been...