The Colt M1911 is a pistol featured in Sniper Elite V2 and Zombie Army Trilogy. It is available in Sniper Elite III via the Patriots Weapon DLC.
Sniper Elite V2
This American pistol deals a lot of damage with its powerful .45 cal bullets. However, this are hard to come by in the field ,and it has a slightly lower firing rate than the Luger
1911 is a reasonably balanced weapon, however ammo is hard to get for it.