It may "damage" the finish color but unless you do it non stop and it eventually wears a hole thru the metal it won't damage the functioning of the scope besides your zero always being off
Thanks! Ive seen lots of posts about the GPO's so I'm going to have to take a look into those as well. Basically I really only need something for angle compensations. I don't think I shoot far enough to need all the ballistics and added features and what not for rifle. Bow hunting and the cuts...