Guys, I have an older Remington 700 in 7mm Remington magnum that I have no use for. I've had it for a long time, so I hate to just get rid of it. I'd like to convert it to some other non magnum caliber. I really would prefer to use the existing barrel and rechamber it to a 7mm-08. But I don't think I have enough mass in the factory barrel for that. Can I just rebarrel it, or will it require a new bolt and extensive rework? Suggestions?