The Russian Mosin Nagant Forum

Does anybody know what the marks on some M'44's (Russian) that look like a hexagonal clock mean? These marks are near the date and serial #.....Alan

I had a couple Mosins with dark bores, had scrubed and brushed with everything, and just accepted they were dark but good rifling. After I shot some of the 70's-80's corrosive ammo, I cleaned them with ammonia cleaner then oil, well surprise,suprise.....they shine now. The corrosive agent plus the a...