I have a Nightforce NXS 5.5-22x56 Mildot scope in pretty much new condition. I have shot with it a few times but I can't find a mark on it. I am looking to trade for a Nightforce 8-32x56 Mildot scope. I know the 8-32 is worth a little more than the 5.5-22 so we can work that out. Thanks.