I have a ESAB 300AVS which is the sames as the Miller 12RC. It has had a half a roll of 1/16 Esab Coresheild 8 run through it. I will sell it for $1000.00. Its like new PERFECT condition. It has a Bernard 25' Magnum Gun. I have a few spare drive rolls and tips etc I will throw in with it. Here is a Link on the Feeder.
I got a 12RC Miller Wire Feeder in good working condition with 10ft Tweco 400amp gun 50ft of primary cable and gas hose. Got roller from .030 to 1/64. $1200.00 You can call me at 770-550-3883. I can send you pictures if you interest.