Mr, grw, I have found the S&W mags are marked on the base plate with S&W and some times 9mm. And there are short and long base plates.
The new followers are plastic and the older ones are steel, either flat or figure 8. Your other mags appear to be Pro Mag. Never owned one.
As far as slide and FP clean, been to long ago to remember.
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Mike 2796
SoFo Bunch member
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