It a .325 WSM now. I would like to rebarrel to 450 marlin or 458x2...... not sure but don't now if the follower will work???? any body have any experience with these? also looks like it may be hard to fit a heavy enough barrel into the existing channel. Its a classic select French walnut with a great pieceof wood. whats the lightest contour .458 barrel? Lastley a guy that did some work for me in the past....weiil his web site is down....and his phone does not answer....ITD gunsmithing in Ohio....Looks like I am going to need a smith as well..Any ideas as to who??? thanks