Usually with most firearms the concern with dry firing is accelerated wear when the hammer is dropped without any resistance. I doubt you'd hurt it unless you made a habit of it.
I'm just curious. Why not just solder it if that's the standard way. I haven't don't any firearm soldering yet but I've done a tone of electrical soldering and a fair amount of pipe sweating. I assume sweating a sight on would be similar to the later.
Hello all, I've recently acquired my first shotgun a Mossberg 590 and being the consummate tinkerer I am I have already started looking at things I can improve at least in my mind. When looking up information I came across this forum and it looks like there is a wealth of knowledge here about...