Are you serious? There are a lot of older veterans here as well as current owners of colt 1911s of various persuasions. The Colt 45acp 1911 is reliable, and a torso or head shot will almost always shift the battle your way for a win. There is lots of older data here about this weapons platform. Try a search.
First weapon I was issued during my 28 years in the Army. The design is sound, the round potent, and it feels just so natural and ergonomic... they should give JMB the credit for the word. You hold one, you'll know.