Cathode ray gun mounts wanted

[Electronic M]

I think you have come up with your own name for something that every other human being that is aware of it calls by some other name.

Are you taking about the socket that the end of the gun electrically plugs into, or some of the hardware that wraps around the neck?

It's also important to have the type number of the CRT* and information about the era it was made. There were MANY different gun base/socket styles and gun/neck diameters over the roughly 70 years CRT TVs were prevalent.

There's usually a type number on a sticker on the tube. The number will typically be (assuming it's not a European market tube) 1-3 numerical digits 2-4 letters and 1-2 more digits. It'll end in P4 if it's a monochrome tube, P22 if color (or B22 on some BPC sets). For example 10BP4 or 25AP22.