Old NAA .22 Short found on the Net

[CavScout]

While Searching for images of the NAA .22 Short to Mock-Up an example of My Wife's New Gift... I found this Gem...

https://www.durysguns.com/shop/north-american-arms-naa-22s-22-short-used-gun-inv-193162

What is the device on the Left Side of the Hammer?... A Safety?

[smokeless joe]

Very nice CavScout. I'm sure someone will come in shortly with an answer to your questions.

[bill_deshivs]

That's the cylinder stop. In later versions it was moved into the cylinder window of the frame.

[LHB]

That was the design of the original Rocky Mountain Arms, and the very first North Americans.   
There is a stud that protrudes from the left side of the hammer, the lever that serves as the cylinder stop extends from the front of the frame, where it is hinged by a pin, and the protrusion on the hammer serves as a cam to lift the lock out of the notch in order for the cylinder to turn.   When the hammer is brought to full cock, the lever slips to the left, over the end of the stud.   Some people have questioned how much springing that locking lever could take, before it would fail.

[CavScout]

Thanks for the responses.
I think we're all glad the cylinder lock went internal. 

[smokeless joe]

If the original grips are in good condition but you decide to upgrade them me know I might be interested in taking them off your hands 😉

[theysayimnotme]

That type grip was VEY easy to break by over tightening the screw. (Guess how I know.)

[smokeless joe]

That type grip was VEY easy to break by over tightening the screw. (Guess how I know.)

Yeah when I found my vintage NAA the grips looked like a cracked mirror. That's why I offered to make a deal with CavScout if he wanted to part with them.

[CavScout]

If the original grips are in good condition but you decide to upgrade them me know I might be interested in taking them off your hands 😉

Sorry Joe...
That was a link "Found on the Net"... NOT Mine.