The Viper S400 is the shortest crossbow made by TenPoint at a mere 32 inches long. It comes equipped with TenPoint’s own ACUslide Cocking and De-Cocking system, which allows the user to cock/un-cock the crossbow by cranking a handle. This unique system allows the whole process to be paused at any time without the risk of personal injury, damaging the crossbow, or losing control. The Viper S400 also features the S1 2-stage trigger, which locks at full draw and keeps the trigger box in the same location, resulting in a 48% increase in accuracy. In addition, this crossbow comes with the Rangemaster Pro Scope which has illuminated aiming points to compensate for arrow drop.