I had a friend LEO who used this wax on the metal of his model 19, made the metal bright and deep shine. Anyone tried this?

Do it all the time,it makes the blue really nice and cleans it as well...alot better than coats of oil that attract dirt over the years.
Take one of your old Smiths out and wax it and look at the towel when you're done. Alot of members here use this technique.
Everyone likes their own type ,brand or flavor.
I use whatever good quality auto wax I have handy and it works great.

i use renaissance wax...nothing better on the market

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SWCA#2208
KK4EMO

+1 on the renaissance wax.

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Corripe Cervisiam

Birchwood Casey Gunstock Wax
Me too... works very well and leaves a soft sheen, been doing it for 40 + years!

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Mike...ConquestN98858