deer hunting load

Because the 9mm post was so much fun right? I inherited a 45acp camp carbine, which takes 1911 mags. So the rounds have to fit in a 1911 mag. It has the full 16 inch barrel. My benefactor did complain about 20 years ago that a 16 inch barrel on a 45acp is stupid and that he should cut it down...

I am trying to work up a deer hunting load for two .243 Wins in the inventory with less than satisfactory results so far. Using Hornady 100 grain Interlock BTSP with a variety of powders (IMR 4350, 4064, and 4831; and Ramshot Big Game). So far, I haven't been able to get anything to reliably...