My 458 win has a 18 inch barrel and NECG front ramp, rear aperture sight. Nice brush gun. Same action as the one in the photo.
22 is just about perfect. I have a 458 Lott with a 24 inch barrel.
Try some cast bullets for fun. Good pig busters. I can push these 2000 ft/sec in the Lott. Excellent bullet for dark timber Elk and Moose if you have a grizz problem.