Rust Removal With A Penny #shorts
This guide details a simple gunsmithing technique for removing rust from firearm surfaces using a common US penny. Caleb Savant from Brownells demonstrates how to use a specific era of copper penny as a soft abrasive that removes rust without damaging the underlying metal finish. The method is presented as a quick and effective solution for minor rust issues, with a follow-up step to clean any copper residue.











