Originally Posted by 458Win

.........But if you actually feel the need for more power then by all means get a Lott. Or better yet, why not a 460 Wby ?

I have a CZ 458 WM and must have gotten "lucky enough" for them to use a new max spec reamer on my chamber. If a 350 TSX is dropped into the chamber and a sized case is then chambered, the bullet can move back and forth. Shoots 350gn into a shotgun pattern but 450gn into an inch. Have only found one cast bullet it will shoot and that requires care and cornmeal. At some point, will get it opened up to Lott so it has a chance with lighter bullets.