My winter carry gun is a Para-Ordanace P12 .45......based on the 1911...
Summer carry is a subcompact single stack 9mm....way lighter and smaller...easier with summer clothes for concealed carry....
My concealed carry is a Taurus PT745 Millennium Pro .45 ACP w/two magazines.
http://www.taurususa.com/product-details.cfm?id=283&category=Pistol