(Re)Introducing the Bernard® S-Gun™ Semi-Automatic Air-Cooled MIG Gun
The Bernard® S-Gun™ is back—with refreshed configurations and enhanced flexibility—making it better suited than ever for demanding, hard-to-feed welding applications. While our steel monocoil cable isn’t new, its thoughtful updates make a noticeable difference in performance and reliability.
Why Choose the S-Gun? It Starts with the Cable
The S-Gun sets itself apart with a steel monocoil cable delivers superior structural integrity. This design offers excellent pinch resistance, helping maintain consistent gas flow and reliable wire feedability—even in tough conditions.
This makes the S-Gun ideal for applications that require longer cable lengths frequently looped or routed around tight corners. The result? Fewer pinch-related issues and a smoother welding experience.

Easy Configuration with Our Online Tool
Building an S-Gun to fit your needs is simple:
- Start with your amperage and cable length
- Select your preferred handle, neck, consumables, and power pin
- Generate a customized parts list—delivered right to your or your customer’s inbox
Visit our online configurator. In just a few clicks, you’ll have a tailored MIG gun solution that’s ready for your job. It’s fast, convenient, and eliminates the guesswork.
What’s New in the S-Gun Lineup?
To ensure we continue offering the best tools for the job, we’ve updated the S-Gun lineup with additional configurations and more options:
Model Options
- S250 (NEW)
- S350
- S450
Available in 15 ft., 20 ft., or 25 ft. cable lengths
Handle Choices
- Straight T-Series: Standard or locking trigger
- Curved Compact O-Series: Standard trigger only
Consumables
- AccuLock™ S system
- Choose Front Load or Rear Load liner styles
Power Pin Compatibility
- Miller®
- Tweco® #4 (with Lincoln® lead)
- Lincoln®
- Euro-style
These changes allow for more tailored configurations to meet specific application needs while streamlining ordering and setup.
Questions? We’re Here to Help
If you have any questions about the S-Gun or would like help configuring the right setup, our Customer Service team is ready to assist.
- Call us at 855-MIGWELD (644-9353)
- Or email cs@itwmig.com