K470-1 - Lincoln Magnum 300 MIG Gun, 300A, 10 ft, .035-.045 Wire

Lincoln Electric K470-1 Magnum 300 Semiautomatic Welding Gun

The Lincoln Electric Magnum 300 MIG Gun (K470-1) is a high-performance welding tool engineered for versatility and endurance in demanding industrial environments. With a current rating of 300 Amps and a 10-foot cable assembly, this gun is the ideal companion for welders working in general fabrication, structural steel, and production manufacturing. It is specifically configured to handle wire diameters from .035 to .045 inches, making it a go-to solution for a wide range of MIG and Flux-Cored gas-shielded welding applications.

Heavy-Duty Construction

Lincoln Electric has designed the Magnum 300 to withstand the toughest shop conditions. The gun tube is armored with a metal jacket that is electrically insulated, protecting the gun from shorts and damage while optimizing the feeding of fine wires. The cable assembly is protected by a thick, abrasion-resistant rubber jacket that resists cuts and heat, ensuring a long service life even when dragged across rough concrete floors or around sharp metal edges. The rugged strain relief system further enhances durability by preventing kinking at the connection points, which improves feedability and protects the cable liner.

Ergonomic Design for Precision

Operator comfort is paramount in the design of the Magnum 300. The classic curved handle is lightweight and ergonomically balanced to fit naturally in the hand, reducing grip fatigue during extended welding sessions. The gun also features a rotatable gooseneck, allowing the operator to position the nozzle at the optimal angle for high-quality welds, even in restricted spaces. The trigger assembly is a one-piece modular unit with high-quality silver contacts, designed to resist heat and spatter while providing reliable, positive engagement.

Technical Specifications

This model is rated for a 60% duty cycle when using CO2 gas, providing ample power for sustained welding operations. It connects seamlessly to Lincoln Electric wire feeders and machines, including the Power MIG series. The K470-1 includes all necessary backend connections for Lincoln feeders, ensuring a quick and secure setup. Whether you are replacing a worn-out gun or outfitting a new machine, the Magnum 300 delivers the consistency and quality Lincoln Electric is known for.

• Amperage: 300 A
• Cable Length: 10 ft (3.0 m)
• Wire Size: .035 - .045 in
• Process: MIG, Flux-Cored