How do i polish?

I got a MarkMont Next in a trade and i want to polish it. But i need to know, what are the proper procedures and what should i do?

How To Polish Aluminum

except it’s basically nickel plated so I guess it’s a bit different…

OK - The concepts are the same. Skip the sandpaper and go straight to metal polish.

(I’d just go straight to some Nevr-Dull)