MIG Welding Gun Liners

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


E-Z Feed Liners

Built Tough To Feed Smooth.

  • These liners feature a galvanized coating and a unique enhanced coil profile that reinforces rigidity and wire support. The result is smoother, more consistent wire feeding, even in the most challenging applications such as stainless steel, metal core, or pushing aluminum.

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