For my use any reliable hand gun will work.
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I like my Smith & Wesson.
I carry a Glock (21SF), but I don't own any. They work, and work well, but I have always found they give the impression of being "clunky". Would I buy one if that was the only thing available? Gladly! But there are many others I would buy first...
Glocks. I have shot many handguns but I enjoy the Glock the most.
I carry either a Glock 21 or Glock 30, both are .45ACP
I have one, however my edc is a 9mm s&w shield at work, 1911 otherwise, a beat up norinco.