I recently bought 2 factory pre-ban Taurus 15 round mags. The mags had some rust one them, so I bought them very cheap and cleaned them up. They have some etching and small pits but seem to function perfectly. I was wondering if I could send them in to be replaced with new pre-ban mags. I know some companies will do this with damaged pre-ban guns. Has anyone tried this with mags? Thanks.

Don't know about that, but I belive you can purchase replacement mag bodies.  I'm sure somebody else will chime in with details.

Legally you can purchase replacement mag bodies. You just have to find someone to MAKE them. As of right now I am unaware of anyone making replacement mag bodies for any handgun but Glock.

CMMG had someone making replacement mag bodies for the AR15, but that was a limited ammount and he sold out quick.

I have a feeling that people are afraid of what the ATF is gonna do to them if they decide to make RMB...