Originally Posted by cpt_crunch
strip the anno from any place you want to polish. DO NOT POLISH DYNAMIC SURFACES!!! otherwise known as a surface something moves against. inside of the tubes, bolts, hammers, spools, etc... Leave the anno there and do not polish it
But....but.....I've had success with this
I mean I've also had failure and ruined a poppet and a bolt. But you gotta break a couple eggs to make an omelette.
Coming from experience: dye bolts love to be polished, invert mini internals....not so much. The parts are machined so exactly that removing that nanometer or so of ano will throw off the gun's ability to cycle.
Really, don't polish anything unless you're willing to replace it if it breaks. I have a guinea pig gun lined up before I polish or modify the actual week to week gun.
But back to your question and my take on it,
Ryobi(I think) makes an aluminum polish that you can buy at any Lowe's. You take that, get a felt wheel with a tool of your choice (I personally rely on a dremmel for this stuff), get that felt wheel nice and coated with the polish and apply it to the surface of your choice. The idea is to work a small area until the polish starts to turn black and cake up. At that point, you're exposing bare aluminum, and using the felt wheel to buff it away will expose a nice, shiny aluminum surface.
Aluminum polish, otherwise known as jewler's rouge is of crayon wax-like consistency and made by many brands, which are available at most home improvement stores.