What do you do with the best-selling tactical riflescope on the market? Make it better! The Viper® PST™ series is completely revamped for 2017. Upgraded features inside out take its incredible performance and rock-solid tactical features to new heights—and your shooting prowess with it. Topping your door kicker or dialing precision long-range shots, there’s a Gen II PST to fulfill your needs and exceed your expectations.