Great scope for tactical setup - OpticsPlanet Exclusive Vortex Viper PST 2.5-10x44mm Rifle Scope, 30mm Tube, Second Focal Plane (SFP)

Scope has a lot of nice extras for the price. Low and medium end magnification is crystal clear and nice consistent eye box. At 10x, the eye box is noticeably smaller with a bit of haze to the picture. If you really want something up to a usable 10x I'd look elsewhere or try a 12-15x at the top end so you know you'll get a good look through 10x.