The Lincoln Electric Magnum PRO Curve 300 Ready-Pak (K2951-2-10-45) is a premium semi-automatic air-cooled MIG welding gun designed for industrial fabrication environments. This specific configuration is a “Ready-Pak,” meaning it is pre-assembled with a K466-10 gun connector and set up with .045″ (1.2 mm) consumables, allowing for immediate connection to compatible Lincoln Electric wire feeders such as the LN-25 PRO, Power Feed 25M, and 10 Series models. The gun is rated for 300 Amps at a 60% duty cycle when using CO2 shielding gas, and 200 Amps at 60% duty cycle with mixed gases, making it a versatile tool for medium-to-heavy duty applications.<\/p>\n
Engineered for durability and ease of maintenance, the Magnum PRO Curve 300 utilizes Lincoln’s industrial-grade Magnum PRO expendables. The system features the patent-pending Anti-Seize tip and diffuser thread design, which significantly reduces the likelihood of parts fusing together under high heat. The gun liner (KP44-3545-15) is robust and designed to feed wire diameters ranging from 0.025″ to 5\/64″ (0.6 – 2.0 mm), although this package is optimized for .045″ wire out of the box. The 15-foot cable length provides ample reach for large weldments while maintaining consistent wire feeding performance.<\/p>\n
The backend connection is a critical specification for this SKU; the included K466-10 connector ensures a direct and secure fit to Lincoln-style feeder receptacles. For maintenance teams, the gun features four trigger leads as a standard, facilitating faster field repairs compared to dual-lead systems. The simplified expendable parts selection allows for 350A and 550A consumables to be interchangeable across the Magnum PRO line, reducing inventory complexity for shops running multiple gun amperages.<\/p>\n","protected":false},"excerpt":{"rendered":"Lincoln Electric\u00ae Magnum\u00ae PRO CURVE Welding Gun Ready-Pak\u00ae.\n\n15 FT. Industrial Grade Construction.\n\nLincoln Electric Copper Plus\u00ae contact tips larger tip diameter and mass improve heat dissipation to increase tip life.\n\nCurve handle design, Our Curve handle is lightweight and balanced, providing a comfortable grip to reduce fatigue.\n\nRotating Gun Tube and gun hanger clip allow any number of hand positions to reduce fatigue or fit into tight spaces.\n\nSimplified Expendable Parts Selection","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[2042,2043],"product_tag":[],"class_list":{"0":"post-1762344","1":"product","2":"type-product","3":"status-publish","5":"product_cat-mig-accessories","6":"product_cat-mig-guns","7":"pa_amps-300amp","8":"pa_back-end-lincoln","9":"pa_brand-lincoln","10":"pa_brand-magnum","11":"pa_duty-cycle-60-200a-mixed-gas","12":"pa_duty-cycle-60-300a-co2","13":"pa_fits-which-model-lf72-ln25-all-powermig-series","14":"pa_front-end-magnum","15":"pa_length-15-ft","16":"pa_packaging-description-1-of-each","17":"pa_wire-size-0-045","19":"first","20":"onbackorder","21":"taxable","22":"shipping-taxable","23":"purchasable","24":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product\/1762344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/types\/product"}],"wp:attachment":[{"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/media?parent=1762344"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_brand?post=1762344"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_cat?post=1762344"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/josefgases.com\/stage\/wp-json\/wp\/v2\/product_tag?post=1762344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}