Lots of people never clean the cosmo out of the firing pin channel. I saw something like this happen to a Yugo build. The cosmo was sticky like honey and slowed the firing pin enough to cause problems.
Brick
Lots of people never clean the cosmo out of the firing pin channel. I saw something like this happen to a Yugo build. The cosmo was sticky like honey and slowed the firing pin enough to cause problems.
Brick