I didn't mention it in the article, but something I may try for the next round w/ more cases is one of these numeric stamps, which should persist through several rounds of stainless steel tumbling:
https://microstampusa.com/product/numeric/
(I know "microstamping" can trigger some folks -- calm down, this isn't that)
They're small enough to mark inside the extractor groove, but not as sloppy as an electric engraving pen.
https://microstampusa.com/product/numeric/
(I know "microstamping" can trigger some folks -- calm down, this isn't that)
They're small enough to mark inside the extractor groove, but not as sloppy as an electric engraving pen.
