I want to put together a rifle in the wildcat cambering of 338 WSM. I know that it isn't a long range hammer but it would meet a few needs(wants) that I have. See what the WSM family is all about, fill a caliber gap in my safe, use some rifle components I have laying around, simple way to get into wildcat cartridges with out being too exotic. I don't know if I want to use the 300wsm case as the parent or to use the 7WSM with its ever so slightly longer body and I am assuming a smidgen more capacity. What I want to do is push 210-225 grain bullets out of a 28 inch barrel at close to 3000fps. I know Kirby Allen has an XP chambered as such and would welcome his input as well as any of the other extremely knowledgeable people who frequent this board. If you don't lump yourself into the extremely knowledgeable category but have something to say by all means do so. Everyone's help is very much appreciated.