Welding Guns

Magnum® PRO 250 - K2651-1,-2,-3,-4, Ready-Pak

Top Features

  • Rated at 100% Duty Cycle.
  • Industrial Grade Construction.
  • Lincoln Electric Copper Plus® Contact Tips - Larger tip diameter and mass improves heat dissipation to increase tip life.
  • Comfort Grip™ Design - Barrel-style handle is lightweight and balanced, providing a comfortable grip to reduce fatigue no matter how you hold the gun.
  • Lincoln PRO Select™ Gun Selection System - Choose the right gun based on your actual welding amperage and application, not just your machine rating.

Processes

MIG, Pulsed MIG, Flux-Cored

Wire Diameter Range

.035-5/64 in. (0.9-2.0 mm)

Available Types

Industrial Price: $403.85

Where To Buy

Equipment Details

Semiautomatic Air-Cooled Guns

Magnum® PRO guns for MIG and fluxcored welding are specifically designed and tested for extreme environment welding applications. These guns are built for high amperage, high duty cycle applications where heat-resistance and fast serviceability are key.

Click here to calculate your savings by switching to Magnum® PRO

  • All Guns Rated at 100% Duty Cycle.
  • Industrial Grade Construction.
    • High quality copper and aircraft grade aluminum parts ensure superior electrical contact and heat dissipation.
    • Four trigger leads are standard for fast field repair.
    • Patent-pending Anti-Seize™ tip and diffuser thread design reduces tip and diffuser seizing.
    • New gun cable retention system makes a positive bond that resists pulling apart.
    • Secure-Lock™ gun tube resists rotational slipping.
  • Lincoln Copper Plus® Contact Tips - Larger tip diameter and mass improves heat dissipation to increase tip life.
  • Comfort Grip™ Design - Barrel-style handle is lightweight and balanced, providing a comfortable grip to reduce fatigue no matter how you hold the gun.
  • Lincoln PRO Select™ Gun Selection System - Choose the right gun based on your actual welding amperage and application, not just your machine rating. Save cost and weight while gaining maneuverability and fatigue-resistance.
  • Simplified Expendable Parts Selection - 250/350A and 450/550A consumables are interchangeable across all gun models.

Duty Cycle at Rated Amperage 100%
Rated Amperage
  • 250
Gun Type
  • Handheld
Cable Length
  • 15 ft.
Wire Diameter .035-5/64 in. (0.9-2.0 mm)
Cooling
  • Air cooled
Net Weight 9.24 (4.19 kg)
  • Contact Tip (Qty. 1) (KP2744-045)
  • 0.625 in. (15.9 mm) Thread-On Gas Nozzle with 1/8 in. (3.2 mm) recess (KP2742-1-62R)
  • Thread-On Diffuser (KP2746-1)
  • Gun Connector (K466-6)
  • Gun Liner (KP44-3545-15)
Product Number
Product Name
Connector Kit - LN-7-8-9, LN-25
Connector Kit - LF-72-74, LN-25 Pro, Power Feed 25M
Connector Kit - Tweco® No. 2, No. 3, No. 4
Connector Kit - Miller® Feeders
Connector Kit - Power MIG & Power Wave C300
Connector Kit - LN-8-9 - 1/16 & Larger
Product Number
Product Name
Copper Plus® Contact Tip 350A, .035 in (.9 mm)
Copper Plus® Contact Tip 350A .035 in (0.9 mm) - 100/pack
Copper Plus® Contact Tip Aluminum .035 in (0.9 mm) - 10/pack
Copper Plus® Contact Tip 350A .045 in (1.2 mm)
Copper Plus® Contact Tip 350A .045 in (1.2 mm) - 100/pack
Copper Plus® Contact Tip 350A .052 in (1.3 mm)
Copper Plus® Contact Tip 350A .052 in (1.3 mm) - 100/pack
Copper Plus® Contact Tip 350A 1/16 in (1.6 mm)
Copper Plus® Contact Tip 350A 1/16 in (1.6 mm) - 100/pack
Copper Plus® Contact Tip Aluminum 1/16 in (1.6 mm) - 10/pack
Copper Plus® Contact Tip 3/64 in (1.2 mm) Aluminum - 10/pack
Copper Plus® Contact Tip 3/64 in (1.2 mm) Aluminum (5356 wire) - 10/pack
Copper Plus® Contact Tip 350A 5/64 in (2.0 mm)
Copper Plus® Contact Tip 350A 5/64 in (2.0 mm) - 100/pack
Copper Plus® Contact Tip 350A, .025 in (0.6 mm)
Copper Plus® Contact Tip 350A, .025 in (0.6 mm) - 100/pack
Copper Plus® Contact Tip 350A, .025 in (0.6 mm) Tapered
Copper Plus® Contact Tip 350A, .025 in (0.6 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A, .030 in (0.8 mm)
Copper Plus® Contact Tip 350A, .030 in (0.8 mm) - 100/pack
Copper Plus® Contact Tip 350A, .030 in (0.8 mm) Tapered
Copper Plus® Contact Tip 350A, .030 in (0.8 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A .035 in (0.9 mm) Tapered
Copper Plus® Contact Tip 350A .035 in (0.9 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A .040 in (1.0 mm)
Copper Plus® Contact Tip 350A .040 in (1.0 mm) - 100/pack
Copper Plus® Contact Tip 350A .040 in (1.0 mm) Tapered
Copper Plus® Contact Tip 350A .040 in (1.0 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A .045 in (1.2 mm) Tapered
Copper Plus® Contact Tip 350A .045 in (1.2 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A .052 in (1.3 mm) Tapered
Copper Plus® Contact Tip 350A .052 in (1.3 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A 1/16 in. (1.0 mm) Tapered
Copper Plus® Contact Tip 350A 1/16 in (1.0 mm) Tapered - 100/pack
Copper Plus® Contact Tip 350A 5/64 in (2.0 mm) Tapered
Copper Plus® Contact Tip 350A 5/64 in (2.0 mm) Tapered - 100/pack
Copper Plus® Contact Tip 550A .035 in (0.9 mm)
Copper Plus® Contact Tip 550A .035 in (0.9 mm) - 100/pack
Copper Plus® Contact Tip 550A .035 in (0.9 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A .045 in (1.2 mm)
Copper Plus® Contact Tip 550A .045 in (1.2 mm) - 100/pack
Copper Plus® Contact Tip 550A .045 in (1.2 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A .052 in (1.3 mm)
Copper Plus® Contact Tip 550A .052 in (1.3 mm) - 100/pack
Copper Plus® Contact Tip 550A .052 in (1.3 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A .068 -.072 in (1.7-1.8 mm)
Copper Plus® Contact Tip 550A .068 -.072 in (1.7-1.8 mm) - 100/pack
Copper Plus® Contact Tip 550A .068 -.072 in (1.7-1.8 mm) Extended Life
Copper Plus® Contact Tip 550A .068 -.072 in (1.7-1.8 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A,1/16 in (1.6 mm)
Copper Plus® Contact Tip 550A 1/16 in (1.6 mm) - 100/pack
Copper Plus® Contact Tip 550A 1/16 in (1.6 mm) Extended Life
Copper Plus® Contact Tip 550A 1/16 in (1.6 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A 1/8 in (38 mm)
Copper Plus® Contact Tip 550A 1/8 in (38 mm) - 100/pack
Copper Plus® Contact Tip 550A 3/32 in (2.7 mm)
Copper Plus® Contact Tip 550A 3/32 in (2.7 mm) - 100/pack
Copper Plus® Contact Tip 550A 3/32 in (2.4 mm) Extended
Copper Plus® Contact Tip 550A 3/32 in (2.7 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A 5/64 in (2.0 mm)
Copper Plus® Contact Tip 550A 5/64 in (2.0 mm) - 100/pack
Copper Plus® Contact Tip 550A 5/64 in (2.0 mm) Extended Life
Copper Plus® Contact Tip 550A 5/64 in (2.0 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A 7/64 in (38 mm)
Copper Plus® Contact Tip 550A 7/64 in (38 mm) - 100/pack
Copper Plus® Contact Tip 550A 7/64 in (38 mm) Extended Life - 100/pack
Copper Plus® Contact Tip 550A .035 in (0.9 mm) Extended Life
Copper Plus® Contact Tip 550A .040 in (1.0 mm)
Copper Plus® Contact Tip 550A .040 in (1.0 mm) - 100/pack
Copper Plus® Contact Tip 550A .045 in (1.2 mm) Extended Life
Copper Plus® Contact Tip 550A .052 in (1.3 mm) Extended Life
Copper Plus® Contact Tip 550A 7/64 in (38 mm) Extended Life
Product Number
Product Name
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 3/8 in (9.5 mm) inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 3/8 in (9.5 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Flush 3/8 in (9.5 mm) inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Flush 3/8 in (9.5 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 3/8 in (9.5 mm) inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 3/8 in (9.5 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, Flush 1/2 inner diameter
Nozzle 350A, Thread-on, Flush 1/2 inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 1/2 inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 1/2 inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 1/2 inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 1/2 inner diameter - 25/pack
Nozzle 350A, Slip-on, Flush 1/2 inner diameter
Nozzle 350A, Slip-on, Flush 1/2 inner diameter - 25/pack
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Recess 1/2 inner diameter
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Recess 1/2 inner diameter - 25/pack
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Stickout 1/2 inner diameter
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Stickout 1/2 inner diameter - 25/pack
Nozzle 350A, Thread-on 1/8 in (3.2 mm) Recess, Bottleneck 1/2 in (12.7 mm) inner diam.
Nozzle 350A, Thread-on 1/8 in (3.2 mm) Recess, Bottleneck 1/2 in (12.7 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, Flush, Bottleneck 1/2 in (12.7 mm) inner diam.
Nozzle 350A, Thread-on, Flush, Bottleneck 1/2 in (12.7 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on 1/8 in (3.2 mm) Stickout, Bottleneck 1/2 in (12.7 mm) inner diam.
Nozzle 350A, Thread-on 1/8 in (3.2 mm) Stickout, Bottleneck 1/2 in (12.7 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, Flush 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Thread-on, Flush 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Thread-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 350A, Slip-on, Flush 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Slip-on, Flush 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter
Nozzle 350A, Slip-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, Flush 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Thread-on, Flush 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, Flush 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Slip-on, Flush 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Recess 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Stickout 5/8 in (15.9 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, Flush 3/4 in (19 mm) inner diameter
Nozzle 550A, Thread-on, Flush 3/4 in (19 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Recess 3/4 in (19 mm) inner diameter
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Recess 3/4 in (19 mm) inner diameter - 25/pack
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Stickout 3/4 in (19 mm) inner diameter
Nozzle 550A, Thread-on, 1/8 in (3.2 mm) Stickout 3/4 in (19 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, Flush 3/4 in (19 mm) inner diameter
Nozzle 550A, Slip-on, Flush 3/4 in (19 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Recess 3/4 in (19 mm) inner diameter
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Recess 3/4 in (19 mm) inner diameter - 25/pack
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Stickout 3/4 in (19 mm) inner diameter
Nozzle 550A, Slip-on, 1/8 in (3.2 mm) Stickout 3/4 in (19 mm) inner diameter - 25/pack
Product Number
Product Name
Diffuser, Thread-on, 350A
Diffuser, Thread-on, 350A - 25/pack
Diffuser, Slip-on, 350A
Diffuser, Slip-on, 350A - 25/pack
Diffuser, Thread-on, 550A
Diffuser, Thread-on, 550A - 25/pack
Diffuser, Thread-on 1/4 Recess, 550A
Diffuser, Slip-on, 550A
Diffuser, Slip-on, 550A - 25/pack
Product Number
Product Name
Gooseneck Insulator 350A
Gooseneck Insulator 350A - 25/pack
Gooseneck Insulator 550A
Gooseneck Insulator 550A - 25/pack
Product Number
Product Name
Cable Liner .052-1/16 in (1.3-1.6 mm) 15 ft (4.6 m)
Cable Liner .052-1/16 in (1.3-1.6 mm) 25 ft (7.6 m)
Cable Liner .035-.045 in (0.9-1.2 mm) 15 ft (4.6 m)
Cable Liner .035-.045 in (0.9-1.2 mm) 25 ft (7.6 m)
Cable Liner 1/16-5/64 in (1.6-2.0 mm) 15 ft (4.6 m)
Cable Liner 1/16-5/64 in (1.6-2.0 mm) 25 ft (7.6 m)
Liner Aluminum .035-3/64 in (0.9-1.2 mm) 15 ft (4.6 m)
Product Number
Product Name
Gun Tube 60° Magnum PRO 250
Gun Tube 45° Magnum PRO 250