I'm sorry that I offended anyone I was just joking about the 20mm s**t and the 35mm for my collection.I have a model 1917 Winchester chambered in 308 Norma and I am eager to step up to a big bore rifle.I do own a Cartridges of the World Book but that is about all the knowledge I know on big bores.I didn't mean to come accross as a dumb ass!!