Looks like cylinder stop making marks in front of notch?

A

AZAK

New member
Anyone have an idea as to how a cylinder stop can "engage"/scratch parallel lines to the notches, on the barrel end of the cylinder?

These would be exactly the same as if something were attempting to have the stop engage toward the barrel; in front of the notches.

Visualize:
_______

x=
_______

X being the notch and the = being the scratches (which appear to be the same as the stop shape and size.)

Scratching my head on this one... as I have never made this happen... but now have seen it with my own eyes on a used revolver. And it is exactly even with each notch.
 
If it's a S&W, most recent models have 3 drilled and tapped holes in the top strap for optics mounting. One hole near the front of the cylinder, one hole near the middle, and one very near the stop notches. There could be, or used to be, an optics mount screw that was/is too long contacting the cylinder. This could make circumferential scratches on the cylinder.
 
Looks more like the stop is engaging in front of the notches and leaving an imprint; kind of like a really shallow extra notch per notch in front of the existing notches towards the barrel.

Sorry no pics, not my revolver. Yes a S&W but not from drilled and tapped top strap.

Any physical way that the stop could do this?
 
Unless the cylinder stop is severely mangled that wouldn't be possible. There are a number of other possibilities. I have a Colt that I purchased used that had a line in front of the notches and I had no idea what could have caused it until one day the side plate screw came loose and was dragging. That's not possible on a S&W but if drilled for optics or some one attached something to the frame for some reason it could easily happen. I'm sure there a number of things that could cause it.
 
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