The Magnum® PRO Semi-Automatic MIG welding gun offers a 350A 100% mixed gas duty cycle for optimal performance. It is expertly crafted to prioritize both performance and operator comfort. Specifically, the Magnum® PRO Curve™ HDE™ 350 Welding Gun (25 ft) is engineered to ensure utmost operator comfort and achieve exceptional performance with its 350A 100% mixed gas duty cycle.