I am currently looking at sporterizing two Mauser 03 actions, but I am wondering as to which stocks, and barrels will fit this action? Anyone built a sporter on one of these actions?? I currently have the 2 03's, a K.Kale, and a 95 turk torn down, and the threaded portions of the barrels for each specific action has a different length of this area.. Any help would be greatly appreciated..