Pistol, Cal .45, Automatic, M-1911A1
 

Commonly called the ".45 auto" or ".45." Although often called an "auto," the pistol is actually semi-automatic. The magazine holds 7 rounds. Typically issued to officers, drivers, tank crews, etc. 

 

The pistol shown below is actually a modern M19111A1 produced by Springfield Armory, but other than the markings, it is functionally and visually identical to WWII M1911A1s.
 

Primary function Semi-automatic pistol.

Caliber .45 (11.4 mm) bullet wt 230gr, charge 5gr

Muzzle velocity 830 fps (253 meters)

Muzzle Energy 356 (ft-lbs)

Magazine capacity 7 rounds

Weight Magazine empty: 2.5 pounds (1.14 kg)

Magazine loaded: 3.0 pounds (1.36 kg)

Length Overall 8.625 inches (21.91centimeters)

Length of Barrel 5.03 inches (12.78centimeters)

Max Effective range 82.02 feet (25 meters)