The CUB or Crossbow Unloading Bolts are a safe and fun way to de-cock your crossbow after the hunt. These two piece bolts are made from PolyLactic Acid and are fully biodegradable, so you just pick a safe target and fire away. Don't worry about retrieving your bolt, these are a single use product that are 100% safe for your crossbow and for the environment. Available in a convenient 6-pack these two piece bolts are a compact way to safely discharge your crossbow at the end of a hunt without having to use a target or retrieve a bolt.