The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm[1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol.

May 9, 2016 · The .45 automatic was the most widely issued U.S. handgun of World War II, and it provided valuable service to American fighting men.

Apr 11, 2025 · The 45 Tactical is a true tactical pistol developed as part of the U.S. military’s Joint Combat Pistol program in 2006. That heritage is obvious in features like the threaded barrel …

When the United States entered World War I on April 6, 1917, the standard sidearm for the US Army, Navy and Marine Corps was the Model 1911 .45 Auto. The Colt Patent Firearms’ contract allowed these pistols to be made in government facilities after Colt had delivered the first 50,000.

45 Auto (ACP) pistols for sale online or in-store at Sportsman's Warehouse. Find a large selection of 45 ACP pistols from reputable firearm manufacturers at the best prices.

Original and authentic collectible model 1911 pistols. Military issued M1911A1 .45 caliber handguns from WW1 and WW2. Browse our selection updated daily!

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When it comes to maximizing stopping power, many serious gun owners opt for the .45 ACP (.45 Auto) caliber for their self-defense and concealed carry needs. In this guide, we'll explain the pros and cons of this common pistol caliber and give you our picks for the best .45 ACP Pistols.

Apr 15, 2020 · A look at the different names for 45 caliber ammo in the shooitng world. Is there any difference between 45 ACP vs. 45 Auto? Should you care?

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