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MILLER 300786 15' 400A XR-PISTOL PRO W/C

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  • XR-Aluma-Pro and XR-Pistol guns work in conjunction with XR-Controls, XR-AlumaFeed or select Millermatic machines to provide the best solution for push-pull applications.
  • Threaded quick-change 360° rotatable head tubes are available in different bends and lengths for even those hard-to-reach welds. Over 30 different styles to fit your application and welder's preference.
  • Wire tension settings (except XR-Pistol). 4000 or 5000 specific tension settings ensure the very best wire feeding performance and arc consistency.
  • Heavy-duty construction. All internal components are designed to provide long lasting performance and feeding precision.
  • XR-Pistol-Pro: Exceptional aluminum welding results for heavy-industrial applications. Most durable motor and drive design improves feedability and arc consistency while helping reduce downtime and maintenance costs. Easy access to drive assembly and removable toolless head tube reduce service time, by allowing a simple means of changing drive rolls and head tube - or performing routine maintenance without disassembly of gun.
  • Processes - MIG (GMAW) with aluminum wire (capable of other wires with optional hardwire kits), Pulsed MIG (GMAW-P) with optional pulsing power source.
  • Suggested power sources: Millermatic 252, Millermatic 350P/350P Aluminum. These power sources require XR-AlumaFeed or XR-Control: Deltaweld Series, Invision MPa, AlumaPower MPa, XMT Series (except VS model), Trailblazer Seri.
  • Industrial products are suitable for applications that do not require high-volume production.
  • They typically have a 40 to 60% duty cycle and/or rated output of 300 amps or lower. Industrial products are an appropriate choice for professional welders.

  • Product details

Part Number
Manufacturer Part Number
7.4 in (H) x 1.9 in (W) x 10.6 in (L) (187 mm x 48 mm x 270 mm)
Gun & Cable Length
15 ft (4.6 m)
XR-Pistol-Pro (Water-cooled)
Net Weight (Gun only)
2.4 lb (1.1 kg)
Welding Current Rating
400 A at 100% Duty Cycle
Wire Diameter Capacity
0.030 in to 0.052 in (0.8 mm to 1.3 mm)
Wire Feed Speed
70 to 900 IPM (1.8 to 23 m/min.)
Wire Type
VIEW SDS SDS Sheet for