Check the listing for details. Killer Instinct Fuel 415 W/ RDC Scope Crossbow (Needs New String Soon). Color: Multi-Color, Condition: Used. Listed at 275.00 USD. The Killer Instinct Fuel 415 crossbow is the perfect choice for bow hunting enthusiasts. This crossbow features a durable aluminum construction and a multi-color design that will make you stand out in the woods. The ambidextrous dexterity and RDC scope make it easy to use for both left and right-handed shooters. With the brand name Killer Instinct, you know you're getting a quality product. This crossbow model is the Killer Instinct Fuel 415, the ideal choice for bow hunting. Made of durable aluminum, this crossbow features a multi-color design that's perfect for the great outdoors. It's easy to use for both left and right-handed shooters, thanks to its ambidextrous dexterity and RDC scope. Choose the Killer Instinct Brand for a quality product that will deliver results.