Leupold Mk IV medium rings. Weigh 1.9oz each. Retail for $140, selling for $80 shipped. No marks on rings, perfect condition. Measures 1.185 bottom of mount to top of lower scope rings - in red in pic. .25 from green to green - where it would sit on rail to bottom of scope hole. These held a March 2.5-25x52 on a Borden action with a #3 or #4 Barrel.