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Q3015AE8ESC - Bernard Q-Gun 300A MIG Torch 15ft Tweco Connector

Packaging: 1 of each
$1,148.45/ea $808.68/1 of each only $808.68/eaSave 30%

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OVERVIEW

Experience Superior Comfort with the Bernard 300A MIG Gun

Take control of your welding projects with the Bernard OEM 300 Amp MIG Gun, featuring a 15-foot lead and a Tweco-style back end. Designed with the welder's comfort in mind, this gun reduces fatigue during long shifts thanks to its ergonomic handle and balanced weight distribution. Whether you are welding in a flat position or maneuvering out of position, the handle design provides a secure grip and excellent maneuverability, making it a favorite among professional fabricators who demand both performance and ease of use.

The 15-foot cable length gives you the freedom to reach difficult joints without stretching or straining the cable, ensuring smooth wire feeding is maintained. Poor wire feeding is the number one cause of frustration in MIG welding, and Bernard addresses this with a high-quality liner system that minimizes friction and drag. The Tweco back end ensures this gun is compatible with a wide range of popular welding machines, making it a versatile addition to your tool arsenal. If your machine uses a Tweco #4 or similar receptacle, this gun is ready to plug and play.

One of the standout features of this Bernard gun is the Centerfire consumable system. Unlike traditional threaded tips that can loosen or seize, Centerfire tips are threadless and stay seated firmly, providing better heat transfer and longer life. The nozzles are easily adjustable to set your contact tip recess or stick-out, giving you precise control over your arc characteristics. By choosing this Bernard 300A MIG gun, you are investing in a tool that delivers consistent weld quality, reduces troubleshooting time, and stands up to the daily rigors of the welding shop.

Additional Information
Consumable Type:Contact Tip
Wire Diameter:0.030" (0.8mm)
Thread Size:M6
Material:Copper
Compatible Brand:Binzel, Abicor Binzel, Generic
Torch Compatibility:MB15, MB24, MB25, MB36
Length:25 mm
Bore Size:0.8mm
Packaging Description:1 of each
Brand:Bernard Style
Amperage:300
Front End:Bernard
Back End:Tweco
Amps:300amp

INCLUDED

  • 1 x Bernard OEM 300 Amp MIG Gun
  • 1 x 15 ft Cable Assembly
  • 1 x Tweco-Style Back End Connection
  • 1 x Pre-installed Liner
  • 1 x Contact Tip
  • 1 x Nozzle

APPLICATIONS

  • Heavy Equipment Manufacturing
  • Structural Steel Fabrication
  • Shipbuilding and Marine Repair
  • General Industrial Fabrication
  • Trailer Manufacturing
  • Railcar Construction

FAQ

This gun features a Tweco-style back end connection, making it compatible with wire feeders and machines that accept Tweco plugs.

The gun is rated for 300 Amps at 100% duty cycle when using CO2 shielding gas, and typically 60% with mixed gases.

Yes, it comes ready to weld with a liner, contact tip, and nozzle pre-installed.

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

Yes, the liner is fully replaceable. Bernard guns typically feature a front-loading liner design for easier maintenance.

While possible with a polymer liner and proper setup, 15 feet is often too long for pushing soft aluminum wire. A push-pull gun or spool gun is recommended for aluminum.

This is an air-cooled MIG gun.

It is generally set up for standard wires like 0.035" or 0.045", but can handle a range of sizes by changing the liner and contact tip.