Tim
I'm guessing the book you mean is "European Sporting Cartridges" by Dixon. I was lucky enough to find one, but you are right I believe they are out of print. I find it is very informative. The website I mentioned, Municion.ORG, is about as informative and is available at the touch of a finger. BTW, the 62.78 proof has nothing to do with the cartridge, it was applied by the proof house after they measured the bore (not groove or bullet) diameter with "plug gauges". It just means the barrel passed a 62,78 gauge but would not pass the next size gauge(58,50 -10,92mm), so the bore was somewhere between 10.67mm and 10.92mm. This doesn't tell us much about the cartridge, but it is all we have to go on until a chamber cast is made and the barrel is slugged ( unless the chamber cast is long enough to show the barrel also). Unless you find something that changes your mind, your initial ID of 10.75X65 Collath is as good as any.
Mike
Last edited by Der Ami; 12/25/23 02:07 PM.
