MIG Welding Gun Liners

Bernard and Tregaskiss offer various rear load, innovative front load, and other revolutionary MIG welding liner solutions.


Coiled AccuLock S liner

Front Load Liners

Load and Lock for Better Productivity

  • Flawless wire-feed path – An essential component of the complete AccuLock S consumables system, front load liners are locked and concentrically aligned to both the contact tip and the power pin.
  • Error-proof liner replacement every time with no measuring!

QUICK LOAD Liners

QUICK LOAD® Liners

Load your liners from the front of the MIG gun in less than half the time it takes to install conventional liners.


Family of color-coded Bernard conventional liners

Bernard® Rear Load Liners

  • Simplify and reduce your inventory with Bernard® rear load liners
  • Color-coded by wire size for ease of identification
  • Made of high carbon music wire to achieve smooth wire feed and long life
  • These rear-loading liners won’t gap when bent

Coiled conventional liner shown from top at 45-degree angle

Tregaskiss® Rear Load Liners

Ideal for aluminum, steel, stainless steel and flux-cored wire, rear load liners are made of high carbon music wire for smooth wire feed and long life.

AccuLock™ S with Dual-Locking Liner System – Addressing the Pains of Rear Load Liners
AccuLock™ S with Dual-Locking Liner System – Optimizing Front-End Consumable Life
AccuLock™ S with Dual-Locking Liner System – Reusing an AccuLock™ S Dual-Locking Liner