I was interested to see where this would go. When the 375 min standard was set, common advice from some hunters was to strictly use solids on buffalo, much like the common advice on elephant today. Cup and core, not bonded, not partitioned, not monolithic soft bullets were pretty unreliable by today’s standard. Some on this board, are now advocating there is not necessarily a place for solids in buffalo hunting today, given the exceptional performance of modern softs.
Perhaps another way to ask the question, one in a context of complete conjecture, given only two choices, would you hunt a buffalo with a 35 Whelen and 250 gr Swift A-frames, or some Berdan primed Kynoch 375 H&H softs from the 50s? The issues with the 70 year old cordite propellant aside, I think the 250 gr Swift a-frame is a better choice. Again, complete conjecture, but some of today’s mid-30s’ with modern bullets likely exceed the performance of the 375s when the standard was set. (A 250 gr Swift a-frame may outperform today’s legal, entry level Prvi Partizan 300 grain softs, and Remington’s 270 grain softs)
The standard was set for a good reason, and that reason was mostly lousy bullets. When 60% weight retention is common, you just need to start with more.
What doesn’t any of this really mean? I might use a 333 Jeffery with a 300 gr Woodleigh the next time I hunt buffalo in Mozambique, for the nostalgia of it. I like to take those old guns hunting. If so, I’ll have a 450/400, 416 or the like as well, so if the situations are not appropriate, unreasonable comprises are not made.
The simple answer? Use a 375...