Troubleshooting Shotgun Blueing: Why Isn't It Taking?
Question i have been trying to blue a shotgun and i cant get the blue to take whats wrong?
Answer I assume you are trying to "Cold Blue" to which I have never seen a good job when doing the whole weapon. Cold bluing is satisfactory for touchups but NOT for a complete gun job.
Go to the link below and there is some additional info.
