The Ravin Integrated Xero X1i Crossbow Scope is customized exclusively for Ravin from Garmin, optimized for Ravin crossbow models. Sighting-in the Xero X1i scope is quick, easy and automatic. Simply mount the scope, select the Ravin model and sight-in at 20 yards — the precise digital aimpoints are pre-calibrated. Garmin Xero X1i’s advanced processor does the rest. This high-performance upgrade increases deadly accuracy and eliminates the need for a rangefinder, saving precious ounces and unnecessary gear. The X1i is preloaded with the ballistics for every crossbow model ever made by Ravin except the R18. Features/specs: 3.5x magnification; built-in angle compensation; 6.2 inches long; weight, 1.9 pounds.  MSRP: $1,899. Contact: www.ravincrossbows.com