Please forgive me if this has been covered, but I am new to the forum and tried several searches to no avail. I have an old 112 factory chambered in .22-250, from the era when they were building these SA rounds on LA platforms. I am interested in rebarreling to something in the neighborhood of .300 WM or RUM. Here are the two issues that I see. First, the bolt has an extended stop behind the head, so even though it is a long action, cycling the bolt stops just behind the short action round. I would assume the solution would be solved when swapping the bolt head to the magnum bolt face. Second, the base of the action is only cut out for the short action mag and follower. Once again, my assumption would be to cut out and either use a long action box and follower, or go with an aftermarket detachable setup, or replace the existing follower and set up as a single shot. I'm looking for any experience with this type of conversion. Thanks.