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MK Products Barrels

  • The MK Products 60 Degree EZ-Lock Barrel - Air Cooled (003-2147) is a copper and black angled welding torch tip with a curved neck, shown isolated on a white background.

    MK Products 60 Degree EZ-Lock Barrel - Air Cooled - 003-2147

    $516.46
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  • MK Products Flex EZ-Lock Barrel 12" - 003-2495-12, a flexible welding barrel with EZ-Lock system for quick attachment and improved access in various welding applications, compatible with specific MK Products guns.

    MK Products Flex EZ-Lock Barrel 12" - 003-2495-12

    $490.00
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  • A close-up of the MK Products Straight EZ Lock Barrel Air Cooled - 003-2151, featuring a copper and black design with a green protective cap beside it, displayed on a white background.

    MK Products Straight EZ Lock Barrel Air Cooled - 003-2151

    $516.46
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  • Mk Products Assembly Barrel Cobra Max - 003-2435

    Mk Products Assembly Barrel Cobra Max - 003-2435

    $378.73
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  • MK Products 45 Degree EZ-Lock Barrel - 400Amp Water Cooled, 003-2316

    MK Products 45 Degree EZ-Lock Barrel - 400Amp Water Cooled - 003-2316

    $662.48
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  • Versatile 12-inch air/water-cooled welding barrel with EZ-Lock 360° rotation. Extended straight design for improved access, tool-free adjustment, ideal for various welding applications with flexible cooling options.

    MK Products Straight EZ Lock Barrel 12 Inch Air Water Cooled - 003-2156

    $581.14
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  • MK Products 60 Degree EZ-Lock Barrel - 400Amp Water Cooled, 003-2317

    MK Products 60 Degree EZ-Lock Barrel - 400Amp Water Cooled - 003-2317

    $669.34
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  • MK Products 60 Degree Fixed Barrel - Air/Water Cooled - 003-2342, a versatile welding component designed for superior access and efficiency in demanding industrial applications with extremely tight spaces, offering dual cooling options.

    MK Products 60 Degree Fixed Barrel - Air/Water Cooled - 003-2342

    $481.18
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  • Versatile 18-inch air/water-cooled welding barrel with EZ-Lock 360° rotation. Extended straight design for exceptional reach, tool-free adjustment, ideal for various welding applications with flexible cooling options in challenging environments.

    MK Products Straight EZ Lock Barrel 18 Inch Air Water Cooled - 003-2157

    $659.54
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  • MK Products Assembly Barrel Straight AC Python/PXL 6 Inch, 003-2330

    MK Products Assembly Barrel Straight AC Python/PXL 6 Inch - 003-2330

    $460.58
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  • MK Products Assembly Barrel AC Cobra SX - 003-2340

    MK Products Assembly Barrel AC Cobra SX - 003-2340

    $390.69
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  • MK Products Flex EZ-Lock Barrel 18" - 003-2495-18, a flexible welding barrel with EZ-Lock system for quick attachment and improved access in various welding applications, offering extended reach for challenging positions.

    MK Products Flex EZ-Lock Barrel 18" - 003-2495-18

    $489.01
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  • MK Products Flex EZ-Lock Barrel 24" - 003-2495-24, a flexible welding barrel with EZ-Lock system for quick attachment and improved access in various welding applications, offering maximum reach for the most challenging positions.

    MK Products Flex EZ-Lock Barrel 24" - 003-2495-24

    $561.54
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  • MK Products 45 Degree EZ-Lock Barrel 12" - Air/Water Cooled, 003-2158

    MK Products 45 Degree EZ-Lock Barrel 12" - Air/Water Cooled - 003-2158

    $581.14
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  • MK Products 45 Degree EZ-Lock Barrel 12" - 400Amp Water Cooled, 003-2319

    MK Products 45 Degree EZ-Lock Barrel 12" - 400Amp Water Cooled - 003-2319

    $748.72
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  • MK Products 60 Degree Fixed HD Barrel - Air/Water Cooled - 003-2344, a heavy-duty welding component designed for superior access, durability, and efficiency in the most demanding industrial applications with extremely tight spaces, offering dual cooling options.

    MK Products 60 DEGREE FIXED HD BARREL - AIR-WATER COOLED - 003-2344

    $418.99
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  • MK Products 45 Degree EZ-Lock Barrel - 300Amp Water Cooled, 003-2381

    MK Products 45 Degree EZ-Lock Barrel - 300Amp Water Cooled - 003-2381

    $677.18
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  • High-performance 12-inch 400 Amp water-cooled welding barrel with EZ-Lock 360° rotation. Extended straight design for improved access, tool-free adjustment, ideal for heavy-duty welding applications.

    MK Products Straight EZ Lock Barrel 12 Inch 400 Amp Water Cooled - 003-2318

    $748.72
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  • Air-cooled barrel assembly specifically designed for MK Products Prince SG welding systems. Features robust construction for industrial use, optimized wire feed and gas flow, and efficient heat dissipation. This precision-engineered component ensures consistent welding performance and enhances overall system efficiency. The air-cooled design offers excellent thermal management, making it an essential accessory for professional welders using Prince SG systems in demanding welding environments where air-cooli

    MK Products Assembly Barrel AC Prince SG - 003-2204

    $264.85
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  • High-performance 18-inch 400 Amp water-cooled welding barrel with EZ-Lock 360° rotation. Extended straight design for exceptional reach, tool-free adjustment, ideal for heavy-duty welding applications in challenging environments.

    MK Products Straight EZ Lock Barrel 18 Inch 400 Amp Water Cooled - 003-2320

    $788.90
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  • 7-inch straight barrel assembly specifically designed for MK Products Sidewinder welding systems. Features robust construction for industrial use, optimized wire feed and gas flow, and versatile application in various welding setups. This precision-engineered component ensures consistent welding performance and enhances overall system efficiency. The straight design offers excellent accessibility and maneuverability, making it an essential accessory for professional welders using Sidewinder systems in deman

    MK Products Assembly Barrel 7 Inch Straight Sidewinder - 003-2251

    $352.80
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  • MK Products 45 Degree EZ-Lock Barrel - Air Cooled, 003-2152

    MK Products 45 Degree EZ-Lock Barrel - Air Cooled - 003-2152

    $516.46
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  • MK Products 45° EZ-Lock Barrel 18" - Air/Water Cooled, 003-2159

    MK Products 45° EZ-Lock Barrel 18" - Air/Water Cooled - 003-2159

    $659.54
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  • Professional-grade 48-degree curved taper gas cup designed for welding applications, featuring precise gas flow control and durable construction, ensures reliable shielding in demanding welding environments.

    MK Products 48 Degree Curved Taper Gas Cup - 621-0425

    $28.07
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  • MK Products FLEX EZ-LOCK BARREL 36" - 003-2495-36

    MK Products FLEX EZ-LOCK BARREL 36" - 003-2495-36

    $519.36
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  • MK Products Assy Barrel 45 Degree WC 400Amp 4in Radius PYT/PXL, 003-2467

    MK Products Assy Barrel 45 Degree WC 400Amp 4in Radius PYT\PXL - 003-2467

    $673.39
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  • MK Products STRAIGHT EZ-LOCK BARREL - 400AMP WATER COOLED - 003-2315

    MK Products STRAIGHT EZ-LOCK BARREL - 400AMP WATER COOLED - 003-2315

    $669.34
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  • MK Products 60 Degree EZ-Lock Barrel - 300Amp Water Cooled, 003-2382

    MK Products 60 Degree EZ-Lock Barrel - 300Amp Water Cooled - 003-2382

    $677.18
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  • MK Products Straight EZ Lock Barrel 300 Amp Water Cooled, 003-2380

    MK Products Straight EZ Lock Barrel 300 Amp Water Cooled - 003-2380

    $677.18
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  • MK Products 45 Degree EZ-Lock Barrel 18" - 400Amp Water Cooled, 003-2321

    MK Products 45 Degree EZ-Lock Barrel 18" - 400Amp Water Cooled - 003-2321

    $788.90
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Frequently Asked Questions

What are MK Products gun barrels, and how are they different from a complete welding gun?
MK Products barrels (goosenecks) are the front end of the welding gun — the curved metal tube that carries current, positions the contact tip, and supports the nozzle. They are sold separately so you can replace just the worn or damaged section of a Python gun without replacing the entire cable assembly. MK Products offers both air-cooled goosenecks (KP6047-1, 60° angle) and water-cooled goosenecks (KP6048-1) to match the gun configuration in service.
What gooseneck angle should I choose for my application?
The standard 60° gooseneck provides good visibility and is the most common angle for general flat and horizontal MIG welding. If you need access to tight corners or vertical-up welds, a more aggressive angle (45° or 22°) reduces obstruction. MK Products barrels are designed to be swapped on the Python gun body, so you can stock multiple angles and change them without overhauling the gun.
How do I know when a barrel needs to be replaced?
Replace the barrel when you see visible cracking or burning of the insulation, when the gooseneck is bent beyond shape from heat or mechanical impact, or when the threaded section at the contact tip end is damaged and tips no longer seat straight. A distorted barrel causes the contact tip to misalign inside the nozzle, leading to uneven gas distribution and erratic arc. Physical damage that cannot be corrected by straightening is the primary replacement trigger.
Are MK Products barrels compatible with Lincoln Python guns sold separately?
Yes — MK Products is a Lincoln Electric brand, and the Python gun system (K6042–K6045) is designed with field-replaceable barrel components. The KP6047-1 air-cooled and KP6048-1 water-cooled goosenecks are listed alongside the Python guns in Lincoln's catalog under the same KP-prefix consumable family. Verify you match air-cooled barrel to air-cooled gun body and water-cooled barrel to water-cooled gun body — they are not interchangeable.