The .45 Automatic Colt Pistol (ACP) was famously designed by John Browning in 1904, and eventually adopted in 1911 by the U.S. military in his Colt auto, which we know as the model 1911.

The .45 Automatic Colt Pistol round, or .45 ACP as it is commonly known, is fairly controversial. Invented in 1905 by prolific firearms designer John Moses Browning, the .45 ACP was the standard ...

The Colt New Agent is a short, light .45 ACP semi-automatic intended for concealed carry and police backup roles.

The .45 Automatic Colt Pistol round, also designed by John Browning, was developed in response to the ineffectiveness of the U.S. Army’s then sidearm, the Colt M1892 revolver.

And now, the Colt .45 M1911 is making a big comeback, now that the U.S. Marines have placed a $22.5 million order for the Connecticut-made pistols. The gun, which has been wielded on film by John ...

Additionally, the revolver ships with three full moon clips that act as both a speedloader for the .45 Auto rounds and aid in the ejection of the spent cartridges. For more, visit Ruger.com.

A Colt .45 revolver once owned by General George S. Patton sold for $75,000 at auction in Los Angeles Thursday. Profiles in History, which conducted the auction, had expected the working firearm ...