The Killer Instinct DSC Compact Cocker offers 100 percent silent operation for discreet and efficient cocking of your crossbow. Designed exclusively for Killer Instinct models, it features a compact body that rapidly attaches and detaches for fast setup and takedown. Compatible with all X-Cam models, Boss and Burner models, let-down trigger box models, and aluminum barrel crossbows from 2019 or newer. This crank-style device ensures a safe, smooth, and silent cocking experience. Not compatible with wide composite barrel models, models produced before 2018, or various specialty series including Lethal, Fiery, and SWAT.