The Retay GPS (Geometric Pump System) is a line of pump-action shotguns introduced by Retay USA around 2020-2022 to offer affordable, reliable, and fast-cycling tactical and hunting options. Origin: The GPS line was designed as an entry into the pump-action market for Retay, a company primarily known for its inertial semi-automatic shotguns (like the Masai Mara and Gordion).The "Geometric" System: The name refers to the Geometric Pump System (GPS), which utilizes a specialized, short-stroke pump action designed for ultra-fast, "pump-and-go" shooting, often branded with "Floating-Forearm" technology that reduces twist.Key Features: Unlike many entry-level pumps, the GPS series was designed with features from higher-end guns, including deep-bore drilled barrels and factory-lengthened forcing cones for tighter patterns