Ravin R500 Sniper Crossbow Package Slate Gray & Adjustable Turret ScopeDescription: Designed for shooters who want pinpoint accuracy with industry high speeds through a single reticle scope, the R500 Sniper delivers speeds of 500 feet per second and utilizes the new proprietary HexCoil Cam System. The cams rotate 360 degrees and allow the axle to axle width fully cocked to be 3. 6 inches, and only 28 inches in length. The R500 Sniper utilizes the new VersaDrive Cocking System that has an internal screw drive that moves