On Load from a disk software they have a cartridge with the name 750 Gatling. Does any company make the brass for this cartridge. It seems to me that if you wanted to make a short mag 338 or something this cartridge would be the ticket. All you would have to do is shorten it and resize it right?

pdawg-The 750 Gatling case is nearly the same as our
12GA From Hell case.Gatling has a .813 base, .750 bullet,
and is 3.8 in long. Our 12GA FH is .800 base, .729 bullet, and 3.9 in long. Both cases are straight..
And it might be a bit overbore if necked to 338.Which
Talbot in essense did when he necked BMG cases to 338.
and had to shorten them to get good accuracy.
If you want cases of that size to work with we will have a
whole bunch of 12GA FH cases, that are made from super tough BMG brass,
in a couple months.Ed.