Home / Products / Products / BTB Semi-Automatic Air-Cooled MIG Guns

Group of three different BTB semi-automatic air-cooled MIG guns being held with gloved hands

BTB semi-automatic air-cooled MIG gun with C series handle

Gloved hand holding a Bernard BTB semi-automatic air-cooled MIG gun with C series handle

Coiled BTB semi-automatic MIG gun with C series handle

BTB semi-automatic air-cooled MIG gun with B series handle

Coiled BTB semi-automatic air-cooled MIG gun with B series handle

BTB semi-automatic air-cooled MIG gun with T series handle

BTB semi-automatic air-cooled MIG gun with O series handle

BTB Semi-Automatic Air-Cooled MIG Guns

Optimize for Productivity. Standardize for Simplicity.

Build your ultimate Bernard® BTB semi-automatic air-cooled MIG gun. Choose from a variety of necks, handles and trigger styles to optimize welder ergonomics and weld access ‒ plus, standardize with a single line of consumables to simplify maintenance and contain costs.

You can count on Bernard BTB semi-automatic air-cooled MIG guns to deliver industrial-grade performance and reliability in the most demanding and abusive environments.

Configure My Gun Reverse Lookup

Overview
Specs
Configurator
Consumables
Accessories

Group of seven different handles that can be configured with a BTB semi-automatic air-cooled MIG gun

Multiple handle and trigger options

Choose between seven different curved and straight handle styles
Wide selection of handles and easy-to-change trigger options allow guns to be matched to user preference and welding application

Fixed or rotatable necks

Wide variety of angle and length options
No tools required to adjust rotatable necks

High-performance consumables

Choose from new AccuLock™ S, Centerfire™, Quik Tip™ or TOUGH LOCK® consumables

Durable unicable design

Choose Hytrel® polymer cable (industrial grade), or upgrade to steel monocoil cable for extra pinch/kink resistance

Liner options

Choose between new AccuLock S liners for a flawless wire-feed path and error-proof liner replacement, Bernard conventional liners, front-loading QUICK LOAD® liners or the QUICK LOAD liner AutoLength™ system

Processes

MIG (GMAW) welding

Duty Cycle Rating

200 amp model – 100%: 200 amp with CO₂, 60%: 200 amp with mixed gases
300 amp model – 100%: 300 amp with CO₂, 60%: 300 amp with mixed gases
400 amp model – 100%: 400 amp with CO₂, 60%: 400 amp with mixed gases
500 amp model – 100%: 500 amp with CO₂, 60%: 500 amp with mixed gases
600 amp model – 100%: 600 amp with CO₂, 60%: 600 amp with mixed gases

Cable Length Options

10, 15, 20 and 25 feet

Wire Size Ranges

0.023″ (0.6 mm) to 1/8″ (3.2 mm)

Customize your BTB semi-automatic air-cooled MIG gun online

Build your ultimate MIG gun!

Configure the gun part number you need, or reverse lookup your existing gun part number – plus get access to additional resources and an expanded replacement parts list with diagram.

This new mobile-friendly online configurator, now including AccuLock™ S Consumable options, provides downloadable exploded view diagrams and other valuable takeaways that you can print, save for later, or share via email.

Check it out today!

Gun Part Number Conversion Tool
Click here to convert your legacy Q-Gun™, S-Gun™ and T-Gun™ MIG gun part number to a BTB MIG gun part number.

Configure a BTB semi-automatic air-cooled MIG gun online

Find the replacement parts list and other details for the BTB semi-automatic air-cooled MIG gun you already have

Part Numbers

Consumables Systems

TOUGH LOCK consumables family shown with contact tips, retaining head and nozzle — TOUGH LOCK® Consumables

MIG Gun Liners

Consumables Systems

MIG Gun Liners

Important: AccuLock S liners are a critical component of the complete AccuLock S consumables system, and can only be used with AccuLock contact tips, diffusers, nozzles, neck insulators, power pins and power pin caps specific to the system.

>> See AccuLock S liner part numbers

Part Number	Description
415-30-25Q	for 0.030″ (0.8 mm) wire; 25′ length
415-35-10Q	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 10′ length
415-35-15Q	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 15′ length
415-35-25Q	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 25′ length
415-116-10Q	for 0.052″ (1.3 mm) – 1/16″ (1.6 mm) wire; 10′ length
415-116-15Q	for 0.052″ (1.3 mm) – 1/16″ (1.6 mm) wire; 15′ length
415-116-25Q	for 0.052″ (1.3 mm) – 1/16″ (1.6 mm) wire; 25′ length

QUICK LOAD Liner Retainers

Required for initial installation only (sold separately)

Part Number	Description
415-26	for 0.035″ – 5/64″ wire

Part Number	Description
L1A-15	for 0.023″ (0.6 mm) – 0.030″ (0.8 mm) wire; 15′ length
L1A-25	for 0.023″ (0.6 mm) – 0.030″ (0.8 mm) wire; 25′ length
L2A-15	for 0.030″ (0.8 mm) – 0.035″ (0.9 mm) wire; 15′ length
L2A-25	for 0.030″ (0.8 mm) – 0.035″ (0.9 mm) wire; 25′ length
L3A-10	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 10′ length
L3A-15	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 15′ length*
L3A-25	for 0.035″ (0.9 mm) – 0.045″ (1.2 mm) wire; 25′ length*
L4A-10	for 0.045″ (1.2 mm) – 1/16″ (1.6 mm) wire; 10′ length
L4A-15	for 0.045″ (1.2 mm) – 1/16″ (1.6 mm) wire; 15′ length**
L4A-25	for 0.045″ (1.2 mm) – 1/16″ (1.6 mm) wire; 25′ length**
L6A-15	for 5/64″ (2.0 mm) wire; 15′ length
L6A-25	for 5/64″ (2.0 mm) wire; 25′ length
L7A-15	for 3/32″ (2.4 mm) wire; 15′ length
L7A-25	for 3/32″ (2.4 mm) wire; 25′ length
L8A-15	for 7/64″ (2.8 mm) – 1/8″ (3.2 mm) wire; 15′ length
L8A-25	for 7/64″ (2.8 mm) – 1/8″ (3.2 mm) wire; 25′ length

*Standard liner for 0.035″ and 0.045″ guns
**Standard liner for 1/16″ guns

In addition to the options and features included in our configurator, customers can choose from a variety of gun options and accessories that can help to further customize their gun to their personal preferences and the job at hand:

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