De-cocking bolts for Barnett's advanced Hyper Series crossbows (not included), Barnett Hyper Evac De-Cocking Bolts lets you discharge your crossbow without ruining a hunting bolt. A great solution for discharging your Hyper Series Crossbow in the field, these durable, single-use decelerating bolts allow you to release your crossbow's energy safely into the ground. Easy-to-use design with orange vane for proper orientation. 440-grain bolt. De-cocking bolts for Barnett Hyper Series crossbows Single-use design Lets hunters safely discharge crossbow in the field no need for a target Easy-to-use design simply shoot into the ground