Reciever screws

[Aaron Beck]

Were the screws case hardened along with the receiver and hardened internal parts?

[Dan Steingraber]

I believe the screws were nitre blued.

[Brian Dudley]

Case colored.

Though the small side screws are sometimes nitre or flame blued.

[Aaron Beck]

Case colored and thus somewhat hardened. Do you know if this was done in the receiver?

[Brian Dudley]

I was not there. None of us were.