I have a Ruger M77 Mark 22 7 mm mag and a Stevens winmag 300 model 200. They are both different guns, but serve the same purpose in my arsenal - long range shooting, or big game at some point. I only use one of them at a time - the other stays in the safe. The 7mm is definitely a better gun, so I am using that right now. I would like to buy a scope for it that could be used on the winmag 300, in case the 7mm gives up the ghost. Looking at the 1,000 yard mark for $500 or under. Is there one scope that will work well on both rifles?