FS used Yukon NVRS Titanium Night Vision Scope 2.5x50 Gen 1, used about 15-20 hunts. More details can be seen at this link: http://www.opticsplanet.com/yukon-25x50-nvrs-tac.html
FS NEW Vortex Crossfire 6-24x50 AO Scope, mil dot, target turrets, Lifetime warranty $130
FS NEW Mueller Tactical 8.5-25x44 AO Scope, mil dot, target turrets, Limited lifetime warranty $155
I bought 2 of these and used one on my 308 for long range and it tracks well.