291-825 - MK Python 225A Air-Cooled Push-Pull Gun, 25ft, Miller 10-Pin

High-Performance Aluminum Welding Solution

The MK Products Python® Push-Pull Gun (Model 291-825) represents the pinnacle of push-pull technology for MIG welding applications. Designed specifically to handle the challenges of feeding soft aluminum wires, this 25-foot air-cooled gun system is engineered for precision, durability, and ease of use. With a robust 225 Amp rating, it is perfectly suited for medium to heavy-duty fabrication tasks found in trailer manufacturing, boat building, and general industrial fabrication.

One of the standout capabilities of the Python® series is its advanced wire feeding mechanism. The gun utilizes a push-pull design that synchronizes the wire feed motor in the gun with the feeder at the power source. This ensures consistent wire delivery over long distances, eliminating the bird-nesting and erratic feeding often associated with pushing soft aluminum wire through standard MIG guns. The 291-825 model comes equipped with a Miller® compatible back-end and a 10-pin connection, making it a "Plug-In" direct replacement or upgrade for compatible Miller welding power sources.

Advanced Engineering and Design

Constructed in the USA with CNC billet componentry, the Python gun is built to withstand harsh industrial environments. The design features the patented EZ-Lock® barrel system, which allows the operator to rotate the barrel 360 degrees. This flexibility is crucial when welding in tight corners or difficult-to-reach areas, ensuring that the welder can maintain the optimal gun angle without contorting their body or the cable. Furthermore, the Ultra Flex power cable significantly reduces wrist strain, providing superior durability and maneuverability compared to standard cabling.

Versatility and Efficiency

Efficiency is key in production environments. The MK Products Python gun is capable of running wire diameters from .030" to 1/16" without the need to change drive rolls, streamlining the setup process when switching between different wire sizes. The wire feed speed adjustment is conveniently located directly on the handle, allowing operators to fine-tune parameters on the fly without returning to the machine. This model supports wire speeds up to 800 inches per minute, accommodating high-speed deposition requirements.

• Seamless Integration: Direct 10-Pin connection for Miller® power sources.


• Superior Reach: 25-foot cable length allows for extensive mobility around large workpieces like trailers and ship hulls.


• Reliable Feeding: Industry-leading push-pull technology ensures smooth operation with aluminum wires.