I'm planning on replacing my shot out 223 wssm barrel with a 243 wssm. I want to shoot steel, groundhogs, and prairie dogs out to 1200 yards, so I have chosen the 105 A-Max.
I ran some scenarios on QuickLoad and I'm narrowed down to three choices. Twist will be 1:8.
1. 28" barrel, 58146 PSI...