Have both Shield 45 and Shield 9 2.0.

EDC the 45 for over a year. Recoil really fairly tame due to the
recoil spring and rod system S&W put in it.....I was surprised when I first shot it myself....

Have since assigned the 45 to bedroom duty as I was able to
carry 10 rounds in the Shield 9.

You will find the 45 to be a nice and accurate shooter if you decide to go that way......

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Hipcocked45