Safely discharge your crossbow after you are finished hunting without the need of an unloading bolt or target with the OMP® XB Crossbow Unloading Head. Compatible with any standard sized crossbow bolt, the Unloading Head is ideal for safely discharging your crossbow and measures 1.75 inches. The OMP® XB Crossbow Unloading Head is recommended for use at a 45 degree angle at a minimum of three feet.