I’ve carried a full sized 1911 concealed with some frequency. I always wear a sports jacket or cardigan sweater over a Milt Sparks or DelFatti holster and belt.

You will be happiest with a top quality 1 1/2” gunbelt. Don’t cheap out on belt or holster.

I prefer an owb holster with the full sized 1911: for me, an iwb holster doesn’t work well with the full sized 1911.

I most frequently carry a Commander (the Commander is the light weight model: the Combat Commander is all steel). I carry the Commander iwb.