I'm not being argumentative reconrat, gun stuff is one of the few areas I'm pretty well versed- custom stuff has been my career, fulltime job, for 20 some years- steel wool is not how steel is polished prior to bluing. taking steel wool, even wood workers grade, (its oil free-finer more consistent than 0000, often rusts into a hard biscuit before you use them up) and its expensive is risking scratching a highly polished metal surface. Steel wool, MOST brands will remove bluing and scratch any finished bluing higher than low end dip jobs. BRONZE 0000 wool if you can find it is amazing! with a light oil, even wd40, and gently rubbed will lift all sorts of rust off polished bluing. Steel wool risks discoloring many kinds of stainless by literally impregnating steel dust into the pores- and then rust later on creating more headaches. you can use a simple car past wax on stainless guns as well on interior parts as well.(once rust free) (off topic, bike stuff) Bronze wool, say 0 thru 0000 grades, will also remove crazy rust and polish bike parts like nobodys business, especially super hard to get places-my dam gl1200 has chrome in places you can't see without disassembling bags, fairings etc (wtf) Also a bronze brush will get those places hard to get with the bronze wool. I can't suggest strongly enough getting some.