Thanks Raimey, also, I asked if Steven meant 9.3x72R instead of 9.3x74R as he said; "There are at least a couple of different bore/case dimensions for 9.3X74.", and this gun is NOT 9.3x74R. (No shoulder, around .440 base dia.) I heard that the 9.3x72R was related in that it was developed with the 9.3x72R as a starting point, but made so that it could not be chambered in old 9.3x72R's and had more room for powder. (Could easily just be a BS story though)

Also, the data string reads; "1684 . 14 . 15.6 8.5" The six in 15.6 is faint but I think that's what it is. What does this all mean?

And thanks for the info on shells, I can find Gamebore by the box easily online, but I searched around and pressure was said to be as high as 8,400psi, more than I like considering RST's are said to be about 6,600psi. And while the kick won't be a problem for me, I don't want to beat the action up. I might try contacting some of RST's listed distributors to see if I can get a box of those instead.

That also brings up another question, what was the original proof PSI this gun was tested to?

Thanks again for your help,
Chaz