I never have as those are actually an abrasive , even Mothers polish, hell I knew old timers that smoothed out Colt actions with toothpaste.... :shock:
I've used Flitz on stainless, for years till the local bikers ( who displayed their bikes) put us on to Mothers and that is better, on chrome, nickel and high polish stainless...about the only polish I know folks use on "blued" guns is 'Renaissance Wax" they say it works again, I use ONLY 'RIG" on any of our guns "outsides" surface........... 8) :roll: :wink: