Mantis X2 Shooting Performance System The Mantis X2 is the most powerful training aid for dry fire-only practice. There is nothing at this price point that will give you this level of feedback for dry fire. The X2 is designed to mount to a Picatinny rail or any of the MantixX mounting adapters. The X2 is part of the second generation of Mantis Shooting Performance Systems. The key features of the second generation hardware include: 40% smaller 50% lighter 3x the battery life 4x the data rate Quick detach system Collecting thousands of data points per second, the X2 analyzes your shooting in real-time. For both pistols and rifles, the X2 works with dry fire on your actual firearm.