SIG has a "special" coating they apply to the ....er... AL-SO, was it? It's at least suppoed to protect against rust.
Why on earth you need a new finish on a Glock is beyond me. More durable finish is, as far as I know, impossible to get.
Why on earth you need a new finish on a Glock is beyond me. More durable finish is, as far as I know, impossible to get.