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The Miller 129179 is a 15-foot steel monocoil MIG gun liner designed for wire feeding stability in Miller GA-17C and M-Series MIG guns. Constructed from a single strand of flat steel wire wound into a spring-like tube, it provides the column strength necessary to guide .030–.035 inch solid or flux-cored wire through the torch cable while maintaining flexibility. The liner is field-trimmable to ensure a precise fit between the power pin and gas diffuser, preventing wire shaving accumulation and erratic feeding.
Features
Field-trimmable design for exact gun fitment
Wound steel architecture for column strength and flexibility
Reduces wire feeding drag and friction
Limits internal conduit contamination
Prevents wire wandering and buckling within the cable
Maintains constant wire stick-out and heat input
Compatible with standard Miller gas diffusers and power pins
