I pulled this one from one of the Deadlands sourcebooks. This impressive rifle sported a massive 0.69 caliber, and I felt that would work similar to the Winchester. higher cost and no initial bullet bonus, but larger bonus and stud.
Sure, under normal circumstances, this is only going to work for one shootout per turn, but if you fill the other guy full of holes, do you really NEED a second shootout?
Plus, I felt that we needed a Weapon on Q