VIPER  (Vision Intelligent Protective Electronic Rifle) is a smart, gas-powered, variable velocity,  20mm rifle launcher for firing ournon-lethal rounds. It is a bullpup design that is lightweight, compact, semi-automatic, and holds 20 rounds. VIPER  is built primarily of 3D printed composite materials and rugged enough for the Military.  It is suitable for use by the Military, Law Enforcement, Private Security, and Private Citizens.