I lug around a fullsize, all steel 1911 14+ hours a day. In the past, I've used Mitch Rosens, Lou Alessi's, Rusty Sherrick, Kramer, Galco, Bianchi, Milt Sparks and various Kydex holsters. Some were very functional - while others were not.
The biggest drawback to carrying a big, heavy gun is...