A good gun belt is the most important component to CCW. If your going IWB you'll need bigger pants. OWB will work with most shirts UN-tucked.

Another thought, is that if you have just started to carry for the first time. It should get easier as your body gets more used to it. You'll find a place on your belt that works.
A gun belt is a must have item, and it'll keep you from buying holsters you don't need. I almost gave up on CCW until I bought a gun belt!

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chasman52