I carry a .45acp, IWB at about 4:00 position. I prefer the .45, just personal preference. Although I used to carry a compact 45, I switched a couple of years ago to the full sized P220, again just personal preference. Find the pistol and caliber that suits you, and your preferences.
" The strongest reason for the people to retain the right to
keep and bear arms is, as a last resort, to protect
themselves against tyranny in Government...." - Thomas Jefferson