Vortex's Viper PST riflescopes boast of the features and performance serious shooters demand. Born from an intimate understanding of riflescope design, forward-thinking engineering, and open ears to a market incredibly vocal about what it wants in a riflescope, the Viper PST series delivers. The Viper PST from Vortex offers top-tier performance in a riflescope designed and built to the standards precision tactical shooters request. Quickly and accurately dial in shots with matching reticle and turret measurements. Professional-grade illuminated reticles are designed for daytime, low light, and nightvision devices. The illumination control can be turned on or off with a single click between each intensity level. Optically indexed lenses deliver optimum edge-to-edge image sharpness and brightness. Best of all, it's backed by Vortex’s VIP Unlimited Lifetime Warranty. Vortex Viper PST Features: Fully multi-coated Lens Aircraft-Grade Aluminum Construction Waterproof, Fogproof, and Shockproof Fast Focus Eyepiece ArmorTek Coating Hard Anodized Finish Vortex Optics Vortex Viper PST Gen II 5-25x50 EBR-4 MOA Scope PST-5251