Miller MDX 250 MIG Gun (177003X)

The Miller MDX 250 MIG gun has been redesigned with a few new features. The new ergonomic handle features and overmolding for improved grip and a rear swivel strain relief. The gun’s AccuLock consumables with dual-locked, front-loading liner ensures smooth, consistent wire feeding for reliable operation. This particular MIG gun utilizes Miller’s MDX Acculock consumables, not Bernard S Lock consumables. Bernard S Lock consumables may be used, however you would need to swap out the diffuser, contact tip, and nozzle.

MDX 250 Features
• AccuLock Consumables
• Pulse Welding Capable (With Pulse Machine)
• 100% Duty Cycle @ 250A CO2 | 60% With Mixed Gas

Compatible With
• Millermatic 212, 252, and 255
• Multimatic 200 and 255

Included
• MDX 250 Gun (Chosen Length)
• 1/2″ Flush Nozzle (M-1200C)
• 4 Contact Tips (2 Each of the Liner Chosen e.g. 1770038 Comes With (2) .035 and (2) .045)
• Owners Manual

Miller AccuLock MDX series consumables are designed to maximize wire feedability and simplify consumables replacement.

AccuLock MDX Features
Superior Feeding – The front-loading liner is centered and locked at both ends of the gun (without the use of set screws) to ensure smooth wire delivery to the contact tip. Plus, error-proof liner trimming ensures accurate replacement every time for reduced burnbacks, birdnests and erratic arc/wire chatter.

Long-Life Consumables – Tapered mating surfaces between the AccuLock contact tip and gas diffuser lock tips in place for maximized electrical conductivity and longer tip life.

Threaded Nozzle – Stays tight during use and cleaning due to the steel retaining ring on the diffuser.