Steel MIG guns

Miller MIGmatic M-100 / M-150 MIG Guns

M-100 and M-150 are light industrial Miller MIGmatic guns. Miller lists an MDX consumables conversion kit that lets M-100 and M-150 front-end nozzles and tips move toward the MDX standard-duty consumable family.

Light industrial Steel catalog current legacy bridge
Miller MIGmatic M-100 / M-150 MIG Guns

Processes

  • MIG (GMAW)
  • Flux-cored (FCAW)

Wire Capacity

.023 - .045 in. (0.6 - 1.2 mm)

Cable Lengths

10 ft. for M-100; 15 ft. for M-150 in the full-line catalog

Compatible Machine Paths

Lifecycle and Replacement Notes

  • M-10 / M-15 are earlier legacy guns.
  • M-100 / M-150 are the bridge generation for light industrial Miller machines.
  • MDX-100 is the current replacement direction for the 142 / 211 class machines.

Gun Models

Model Stock # Cable Output Wire size Consumables Buy
M-100 248282 10 ft. (3 m) 100 A .023 - .045 in. (0.6 - 1.2 mm) Buy link unavailable.
M-150 249041 15 ft. (4.6 m) 150 A .023 - .045 in. (0.6 - 1.2 mm) Buy link unavailable.

Consumables and Replacement Parts

Item Part # Description Category Buy
Gun 220606 M-100 Gun, with friction terminals, 10 ft., 100 A, .030-.035 in. Gun assembly --
Gun 248282 M-100 Gun, 10 ft. (3 m), 100 A, .030-.035 in. Gun assembly Buy link unavailable.
Gun 249039 M-150 Gun, 10 ft. (3 m), 150 A, .030-.035 in. Gun assembly Buy link unavailable.
Gun 249040 M-150 Gun, 12 ft. (3.7 m), 150 A, .030-.035 in. Gun assembly Buy link unavailable.
Gun 249041 M-150 Gun, 15 ft. (4.6 m), 150 A, .030-.035 in. Gun assembly Buy link unavailable.
1 246372 Slip-type nozzle, .500 in. flush copper; 169715 brass optional Nozzle Buy link unavailable.
1 226190 Slip-type flux-cored nozzle Nozzle Buy link unavailable.
2 087299 .023 in. contact tip, screw type, 1.125 in. Contact tip Buy link unavailable.
2 000067 .030 in. contact tip, screw type, 1.125 in. Contact tip Buy link unavailable.
2 000068 .035 in. contact tip, screw type, 1.125 in. Contact tip Buy link unavailable.
2 000069 .045 in. contact tip, screw type, 1.125 in. Contact tip Buy link unavailable.
3 170470 Retaining ring Retaining hardware Buy link unavailable.
4 169716 Contact tip adapter Diffuser / adapter Buy link unavailable.
5 246373 Tube head Gooseneck Buy link unavailable.
7 246082 Handle Handle Buy link unavailable.
8 246376 Blue trigger switch Trigger Buy link unavailable.
9 079878 Housing plug and pins Connector Buy link unavailable.
10 242833 Feeder connector Power pin Buy link unavailable.
11 079974 O-ring, .500 ID x .103 cross section rubber O-ring Buy link unavailable.
12 194010 .023/.025 in. monocoil liner kit, 15 ft. Liner Buy link unavailable.
12 194011 .030-.035 in. monocoil liner kit, 15 ft. Liner Buy link unavailable.
12 194012 .035-.045 in. monocoil liner kit, 15 ft. Liner Buy link unavailable.
13 079975 O-ring, .187 ID x .103 cross section rubber O-ring Buy link unavailable.
Conversion 1880269 M-100/M-150 to MDX-100 nozzles and tips conversion kit for .030 and .035 in. wire Conversion kit --

Related Support Paths

MDX-100 MIG Gun

Current replacement direction for the 142 / 211 machine class.

Open support page
Source: Miller Electric 2026 Full-line Catalog (source-bf756b1d2b74, page 22; source-dbbad08c51df, page 32). Amazon links are kept separate from compatibility data.

Miller Catalog Accessories

These accessories are placed here only when the Miller catalog names this machine, torch, feeder, or family path. Verify plug style, voltage, package, and serial-specific details before ordering.

PartAccessoryCatalog fitmentSource / path
234607 MIGmatic M-Series Gun Consumable Kit M-100 / M-150 gun kit for .023 in wire. Catalog p. 125
Open support path
234608 MIGmatic M-Series Gun Consumable Kit M-100 / M-150 gun kit for .030 in wire. Catalog p. 125
Open support path
234609 MIGmatic M-Series Gun Consumable Kit M-100 / M-150 gun kit for .035 in wire. Catalog p. 125
Open support path