Seems to me a pronghorn carcass isn't as tough as WT, etc. IME, it doesn't take a lot to tear one up. So, less may be best. They're harder to hit than kill.
I ruined a cape with a 140 gr. SST out of my 6.5-284 at 385 yds.. Blew out a huge exit hole. Just another reason I shut down SST's, although I hear the newer ones aren't as bad.
DF
I can think of a way that might not have come from bullet blowup if you really mean a singular hole.
