I have shot a number of deer and antelope with both the 7mmRM and 280AI.
With both factory rifles and rifles built on my lathe.
I like the 140 gr Nos Bal Tip, Nosler brass, and IMR-4166,
280AI 56.2 gr 4166, 140 gr NBT or AB, 3.34," 67kpsi, 3100 fps
Thanks. I'll try that.