For a complete practical guide for any modern sniper, the ProForce The 21st Century Sniper is the manual to go by. This guide by ProForce reveals the tips and basic training necessary to become an efficient marksman. The ProForce 21st Century Sniper Manual touches on the latest research, development, testing, and evaluation of sniper weapons systems and optics. Including details on advanced sniper training for maritime, helicopter, and urban sniper operations. For gun enthusiasts, outdoorsmen, the beginning sniper, and those with military backgrounds, the ProForce 21st Century Sniper Guide is the perfect choice.