A riflescope for tactical shooters at a reasonable price. The Vortex Viper PST features XD glass and XR fully multi-coated lenses for maximum light transmission and clarity. The reticle is glass-etched, and the main tube is a one-piece design made from aircraft-grade aluminum for greater durability. Other features include ArmorTek scratch-resistant coating, tactical-style turrets, side focus, CRS zero stop, and a fast focus eyepiece.