Killer Instinct Hypr SWAT Crossbow Bolts Black. SWAT? Crossbow Bolt delivers maximum penetration to crush big game with hard hitting kinetic energy and devastating knock-down power. Advanced carbon construction creates spine consistency for greater accuracy exceptional reliability and repeat performance. Specifications for Killer Instinct Hypr SWAT Crossbow Bolts: Manufacturer: Killer Instinct Color: Black Features of Killer Instinct Hypr SWAT Crossbow Bolts: Carbon construction .003" straightness tolerance .300" ID .346" OD 3" vanes Package Contents: Killer Instinct Hypr SWAT Crossbow Bolts Killer Instinct 1062-6: Hypr SWAT Crossbow Bolts Black