KILLER INSTINCT RIPPER 425 CROSSBOW PACKAGE CAMO Now shooting faster than ever, the heavy hitting RIPPER 425 has been redesigned to pack even more power into the value of the Ripper. Delivering a 390gr Hypr bolt downrange at 425 feet-per-second, the Ripper 425 is sure to pack a massive punch. Adjustable 5-position buttstock and forearm grip for custom comfort and optional use with compact DSC crank (sold separately) for a total crossbow hunting package.