Quote:
Use 0000 steel wool DRY.
The removed rust is an abrasive, if you put oil on the metal surface or on the steel wool, the removed rust is retained and rubbed on the surface which can damage the finish.
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I have never had a problem using oil on 0000 steel wool in several decades of using it to remove surface rust from blued finishes. I always use WD-40 and 0000 steel wool to smooth newly blued guns to great affect. If using steel wool dry works for you,great but I'll continue to use oil.