I have seen the answer to my question posted here before, but I didn't write it down and cannot find it now. When did S&W change from brass to aluminum on the bottom threaded ends of their mops and brushes that come with the tool kits. I assume the time change was the same for both.
I can't answer your question but I've had both aluminum and brass threaded ends on my mops and brushes. They both mount correctly on my S&W cleaning rod so I haven't given much thought to when S&W made the transition on their cleaning kits. I think S&W just packed whatever they had in stock when they put the cleaning kits in with their handguns. Likely the cleaning kits come from a subcontractor.
The change over was generally in the last half of the 1950s.
But it was a long transition period because inventory didn't run out of different caliber brass tools all at the same time. Brass mops and brushes turn up even later.
Brass vs Aluminum on Mop and Brush
Linear Mode
