If your GP100 is stainless then I recommend one of these along with a small flat screwdriver to work it into those very small spots around the forcing cone. If yours is blued then do not get one of these near your revolver (it'll take the bluing off).
MidwayUSA Rust Lead Remover Gun Cleaning Cloth
Toothbrush and Hoppes No 9
Why clean it after 50 rounds? It's not a 1911.
Why clean it after 50 rounds? It's not a 1911.
Old police stand-by, a pencil eraser.
Lewis Lead Remover. I believe that you can find them from Brownells.
Old police stand-by, a pencil eraser.
If your GP100 is stainless then I recommend one of these along with a small flat screwdriver to work it into those very small spots around the forcing cone. If yours is blued then do not get one of these near your revolver (it'll take the bluing off).
MidwayUSA Rust Lead Remover Gun Cleaning Cloth