Search results
Results From The WOW.Com Content Network
The pistol's formal U.S. military designation as of 1940 was Automatic Pistol, Caliber .45, M1911 for the original model adopted in March 1911, and Automatic Pistol, Caliber .45, M1911A1 for the improved M1911A1 model which entered service in 1926. The designation changed to Pistol, Caliber .45, Automatic, M1911A1 in the Vietnam War era. [10]
The .45 ACP (not to be confused with .45 Colt) cartridge is a very popular caliber due to its low velocity and relatively high stopping power. This caliber is associated most with the Colt M1911, logically, as ACP literally means 'Automatic Colt Pistol'. However, there are many more guns and variations on the M1911 that are chambered in .45 ACP.
The cartridge-pistol combination was quite successful but not satisfactory for U.S. military purposes. Over time, a series of improved designs were offered, culminating in the adoption in 1911 of the "Cal. 45 Automatic Pistol Ball Cartridge, Model of 1911", a 1.273-inch-long (32 mm) round with a bullet weight of 230 grains (15 g).
The general specifications for Rock Island Armory 1911 pistols are: [5] Ordnance grade 4140 chromoly steel steel construction with a cast frame. [6] [7] 100% parts compatibility with US G.I. Flat grooved steel mainspring housing; Calibers: .45 ACP, 10mm Auto, .40 S&W, .38 Super, 9mm Luger, and .22 TCM [8] [9]
The AMT Hardballer is a series of pistols that are part of the 1911 platform (based on the .45 ACP M1911) made by Arcadia Machine & Tool (AMT) from 1977 to 2002. [1] The Hardballer was the first entirely stainless steel 1911 pattern pistol. [2] Other features included adjustable rear sights and a lengthened grip safety. [3]
The Guncrafter Industries Model No. 1 (Or M1) is a variant of the widely popular M1911 handgun, modified for the .50 GI cartridge. John Browning's 1911 .45 ACP has been used for many cartridges over the past century. In every instance the cartridge used a bullet with a diameter that was the same or smaller than the original .451".
As an M1911 style pistol, it is usually chambered in .45 ACP. It also has been produced in other calibers, including .40 S&W, 10mm Auto, 9mm Luger, and .38 Super. The individual gun's caliber is stamped on top of the barrel and is visible with the slide in battery (fully forward). The Custom is a full-sized model 1911, with a five-inch barrel.
SIG Sauer of Newington, New Hampshire, manufactures a full line of 1911 styled handguns.The earliest models were very faithful to the John M. Browning designed Colt M1911 Pistol which became the United States standard sidearm and served in that capacity for some seven decades before being replaced by the Beretta M9 handgun.