Tenpoint Nitro 505 Oracle Crossbow Package Acuslide Burris Oracle Rangefinding ScopeDescription: The Nitro 505 Oracle X with speed of 505 feet per second and and the Burris Oracle X Rangefining Scope, the Nitro 505 is the fastest crossbow on the market and provides you an automatic aimpoint for increased accuracy. The 2. 5 7x Burris Oracle X Rangefinding Crossbow Scope and features a built in laser range finders that generate a single, precise illuminated aim point automatically adjusted for both distance and angle allowing you to