switching

Hi folks. I have been using the search function for the past few hours trying to figure out if I can take a Remington 700 in 6.8, and switch out the barrel for one in a different caliber, using the action that is in the rifle? I thought I saw a thread a while ago where a member was thinking of...

I searched but found no "personal experience" answers. I've had more than my share of scope failures so at this point I have decided to get what I consider a perfect scope for my needs, Heritage 5-25. Unfortunately I can't afford more than one, so the question is with a high quality QD mount or...