KP2879-4 - Magnum PRO 250LX Barrel Liner .025-3/64 Inch

Maximize Spool Gun Performance with Lincoln KP2879-4

Keep your Magnum PRO 250LX and 250LX GT spool guns running smoothly with the genuine Lincoln Electric KP2879-4 Expendable Liner. This component is specifically manufactured to fit the curved barrel sections of your spool gun, accommodating both 45-degree and 60-degree neck angles. Spool guns are often the tool of choice for feeding difficult wires like aluminum, which are prone to bird-nesting and feeding issues if the path is not perfectly smooth. This liner provides that essential guidance through the final bend of the gun.

Heavy-Duty Construction

Don't let a worn liner compromise your high-amperage welds. The KP2879-4 is rated for 550 amps, making it suitable for high-deposition welding where heat buildup is a factor. It supports wire sizes ranging from .025" to 3/64", offering versatility for various project requirements. The robust construction resists melting and deformation, ensuring that the wire moves freely even during extended welding sessions. Using genuine Lincoln Electric consumables guarantees that the dimensions and materials match the exact specifications of your Magnum PRO equipment, avoiding the fitment issues often seen with aftermarket generic parts.

Troubleshooting and Replacement

If you are experiencing drag in your wire feed or noticing inconsistent arc length, the barrel liner is often the culprit. Because it resides in the neck of the gun, it is subjected to significant reflected heat from the weld pool. Replacing the KP2879-4 is a quick and cost-effective way to troubleshoot feeding problems. It is designed for straightforward installation, allowing welders to swap out the part right at the bench or in the field without extensive downtime. By keeping a supply of these expendable liners on hand, you ensure that your spool gun is always ready to deliver professional-grade results, minimizing frustration and maximizing productivity on the job site.