This is a used Vortex Viper HS-T riflescope. It's in good condition with light ring marks.
This Vortex Viper HST 6–24x50 riflescope with a VMR-1 reticle and a 1/4 MOA turret adjustment is ideal for many applications including Hunting, Shooting, and Tactical. Features include a one-piece 30mm machined aluminum tube, forgiving eye box, increased eye relief, extra-low dispersion glass, fully multi-coated lenses, fogproof/shockproof exterior, hard anodized finish, ArmorTek, exposed tactical-style turrets, side focus, CRS zero stop, precison-force spring system, precision-glide erector system, MAG-view fiber optic, radius bar, and a fast focus eyepiece.