Just learning about it myself. During the early days for the calibre there were specific hot loads for the 92 only. Discontinued after, predictably, people had mishaps with them in revolvers. The article might be worth a read. Basically what it is saying is that, for e.g., if my Rossi Puma 92 in 44mag will sustain a particular load then the 44-40 in the same make/model of rifle will take the same load but achieve lower pressure due to greater case capacity. Or, the greater case capacity can be utilised to outperform a 44mag so long as you remain within the pressure boundaries for that action. If I understand it correctly...
Apart from doing things because you can, it begs the question of why you would want to? There may be valid answers to that question. I'll see how I go, when I eventually get out there, knocking animals over with a pill doing around 1400fps. See how good my stalking is....
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