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Q4015AE4VMA - Bernard Q-Gun 400A MIG Torch, 15ft, Miller Plug, 1/16 Wire Setup

Packaging: 1 of each
$1,224.26/ea $871.27/1 of each only $871.27/eaSave 29%

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OVERVIEW

Comfort and Reliability for Heavy Welding

If you are pushing 1/16" wire all day, you need a gun that can handle the heat and the weight without wearing you out. The Bernard Q-Gun 400 Amp (Q4015AE4VMA) is built with the welder in mind. Known for its rugged reliability, the Q-Gun features a comfortable, curved handle that fits naturally in the hand, reducing grip fatigue during long welds. The 15-foot cable gives you plenty of room to move around your booth or climb over large assemblies, while the heavy-duty jacket resists cuts, burns, and abrasion from the shop floor.

This gun is set up ready to rock on your Miller feeder. The direct plug Miller back end means no adapters are needed—just plug it in, tighten the nut, and you are good to go. Because it is set up for 1/16" wire right out of the box, you don't have to waste time swapping out liners or drilling out tips before you start your first pass. It handles both solid and flux-cored wires with ease, providing smooth feeding even at the 15-foot length.

The real game-changer with the Q-Gun is the Centerfire consumable system. If you've ever struggled with cross-threading a hot contact tip or dealing with inconsistent gas coverage, you will love Centerfire. The nozzle holds the tip in place, meaning you don't need tools to change a tip—just unscrew the nozzle by hand, drop in a new tip, and screw the nozzle back on. This system also keeps the tip centered perfectly in the gas flow, which helps prevent spatter buildup and keeps your welds clean. The spatter shield is built into the diffuser, protecting the gas holes and making cleaning the nozzle a breeze.

Whether you are welding structural beams, heavy plate, or pipe, the Q-Gun 400A gives you the confidence that your equipment won't let you down. The air-cooled design is simple and effective, removing the hassle of water coolers and leaky hoses, while still providing the thermal capacity needed for high-amperage spray transfer or heavy flux-core welding. It’s a tool built for professionals who demand performance.

Additional Information
Brand:Bernard
Amperage:400
Length:15 ft
Back End:Miller
Wire Size:1/16"
Item:Accessory
Torch Type:MIG Gun
Cooling Method:Air Cooled
Consumable Compatibility:Centerfire Series
Duty Cycle:100% @ 400A (CO2)
Handle Style:Curved
Neck Angle:Fixed / Rotatable Options
Packaging Description:1 of each
Front End:Miller

INCLUDED

  • 1 x Bernard Q-Gun 400 Amp Air-Cooled MIG Gun
  • 1 x 15 ft Industrial Cable Assembly
  • 1 x Miller Power Pin (Installed)
  • 1 x 1/16" Liner (Installed)
  • 1 x Centerfire Contact Tip (Installed)
  • 1 x Centerfire Nozzle (Installed)
  • 1 x Jump Liner (if applicable to configuration)

APPLICATIONS

  • Structural Steel Fabrication
  • Heavy Equipment Manufacturing
  • Shipbuilding and Offshore Construction
  • Railcar Manufacturing
  • General Heavy Fabrication
  • Flux-Cored Arc Welding (FCAW)
  • Hardfacing and Cladding

FAQ

This Bernard Q-Gun is rated for 400 Amps at 100% duty cycle when using CO2 shielding gas.

It features a standard Miller-style back end termination, compatible with most Miller wire feeders.

The gun comes pre-configured with a liner and contact tip for 1/16 inch (1.6mm) welding wire.

This is an air-cooled MIG gun.

It uses the Bernard Centerfire series of contact tips, nozzles, and diffusers.

Yes, the Q-Gun series features a rotatable and interchangeable neck design, allowing you to switch to different angles or lengths if needed.

The cable assembly is 15 feet long.

Yes, the liner is fully replaceable. Q-Guns also often support jump liners for easier maintenance of the neck section.