"Barnett's revolutionary small-diameter bolt, HyperFlite Crossbow Bolts delivers power and speed with the precision flight and penetration of a .204"" bolt. High performance design delivers 25% greater penetration over standard crossbow bolts, and offers a 61% greater ballistic coefficient. HyperFlite design also gives crossbow hunters a 21% F.O.C. increase for even greater downrange accuracy and reduced wind drift. High performing bolts come outfitted with HyperFlite Nocks and Reliable Outsert Component (R.O.C.) outserts for accuracy, stability, and strength. Designed for use with Barnett Hyper Series crossbows (not included), but also compatible with HyperTac 420 w/CCD, HyperTac 420, Hyper Whitetail 410 w/CCD, Hyper Whitetail 410, and Hyper XP405 OD Green. Straightness: .001"". Weight: 300 grains. 22"" Length. High performance small-diameter bolt for Barnett Hyper Series crossbows (not included) Greater penetration and ballistic coefficient than standard crossbow bolts Small .204"" diameter for greater downrange accuracy and reduced wind drift Outfitted with HyperFlite Nocks Reliable Outsert Component (R.O.C.) outserts for accuracy, stability, and strength"