I am going to guess at a carbon ring, these can be hard to remove,
I have a 452, .17 HRM, and after a prolonged period of use, accuracy dropped of, a soak with foaming bore cleaner, and a clean...
Type: Posts; User: southernman
I am going to guess at a carbon ring, these can be hard to remove,
I have a 452, .17 HRM, and after a prolonged period of use, accuracy dropped of, a soak with foaming bore cleaner, and a clean...