RE: What yote gun should i buy?
Nearly any bolt action rifle made is up to the task. Which one is personal preference, because they all have a little different feel to them. I'd recommend something in .223.
As for the scope, anything over a 3-9x40 is overkill. I'd stick with something in a Nikon or Leupold, and mount it using a good two-piece base. Center Point is just another chinese-no name scope that shares the same quality of other chinese scopes - low quality lenses, low quality coating, and spotty quality control. Stay away from them. You want a scope that will perform in all hunting conditions, and those will not.
My personal rig is a Browning composite stalker in .223, topped with a Nikon Buckmaster 3-9x40 scope with a Nikon two-piece base. I've had that gun for years, and after sighting it in, I've not had to resight it. The scope performs well in all lighting conditions, and I have taken coyotes with it at well past 300 yards, even when after sunset.