In the field of large-volume sprinklers, Nelson Big Guns® are recognized the world over as the leader in quality, performance and technical support. They are engineered and precision manufactured for heavy-duty reliability and long wear life. Every Nelson Big Gun® is subjected to the toughest inspection testing and quality control standards in the industry. Robotic welding and on-the-shop-floor quality assurance tests with computer controlled coordinate measuring machines ensure that every Big Gun part is of the finest quality possible. Individual water testing of every complete gun in conduted so quality is second to none.