Predator Upgrade Circuit boards are designed to be the Ultimate upgrade for your marker. Whatever the year, and whatever the model, putting a Predator board in your gun will make it compete with the top of the line guns any professional uses today. With over 15 different firing modes and full control over all of the settings of your gun the Predator board provides the fastest and most intelligent eye logic and trigger processing in the industry; others may claim it, but we have it.