10401071 - Tweco Spray Master MS425L-116 400A MIG Gun, 25ft, Lincoln Connection, 1/16 Wire

Tweco Spray Master 400A MIG Gun – 25ft Reach, Lincoln Ready

Experience the legendary performance of the Tweco Spray Master with the MS425L-116, a 400 Amp MIG gun designed for the professional welder who demands reliability and comfort. Known in the industry as a workhorse, the Spray Master series eliminates the common frustrations associated with high-amperage air-cooled guns. Its ergonomic handle fits naturally in the hand, reducing grip fatigue during long shifts, while the advanced internal design keeps the handle cool even when pushing the gun to its 400A limit. This model features a generous 25-foot cable, giving you the freedom to move around large weldments without being tethered closely to your machine.

The MS425L-116 is specifically outfitted with a Lincoln backend connection, ensuring a secure and reliable interface with your Lincoln Electric wire feeder. It comes set up right out of the box for running 1/16" (1.6mm) wire, making it perfect for heavy fabrication jobs where deposition rate is king. The gun utilizes Tweco's famous consumables, including the heavy-duty 11 Series contact tips and slip-on nozzles, which are designed for quick changes and long service life. The simplified turnover of consumables means less downtime and more arc-on time, boosting your overall productivity.

Durability is built into every component of this gun. The cable housing is resistant to cuts and abrasion, protecting the copper stranding and gas hose inside. The trigger mechanism is tested for millions of cycles, ensuring consistent arc initiation every time. Furthermore, the metal-jacketed conductor tube provides superior impact resistance compared to plastic alternatives. Whether you are welding structural beams, heavy machinery, or performing maintenance in a harsh industrial environment, the Tweco Spray Master MS425L-116 delivers the consistent arc stability and rugged dependability that professional welders trust.