While a search is always a great idea
some of the older posts are no longer available to save space

I own an SW9m

It is the right size, weight & thickness for a concealable
& why I wish S&W would do a single stack M&P

I like it for the most part but to be honest the jury is still out on how well I like it

It tends to have a stout recoil
and I find I am not nearly as accurate with it as with my 3914

the SW9m <STRIKE>& SW40M</STRIKE> has a steel slide
the 380 version had a zinc slide and was thus prone to more problems

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Compact 9mm Just my $0.02