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The .38 Super, also known as .38 Super Auto, .38 Super Automatic, .38 Super Automatic +P (High Pressure Variant), .38 Super +P (High Pressure Variant), or 9×23mmSR,[2]is a pistolcartridgethat fires a 0.356-inch-diameter (9.04 mm) bullet. It was introduced in the late 1920s as a higher pressure loading of the .38 ACP, also known as .38 Auto.
The .38 ACP (Automatic Colt Pistol), also known as the .38 Auto, .38 Automatic, or 9×23mmSR, is a semi-rimmed pistol cartridge that was introduced at the turn of the 20th century for the John Browning -designed Colt M1900. It was first used in Colt's Model 1897 prototype, which he did not produce. The metric designation for the round is 9× ...
The 9mm qualifies for Major scoring only in the Open Division of practical shooting competitions, where compensators and optical sights are permitted. Open Division guns, often called a racegun, are purpose-built for high-powered, high-speed competition and can handle the high pressure of 9mm Major and .38 Super ammunition. These guns feature ...
Power factor (shooting sports) A high-speed photograph of a .38 Special bullet fired out of a Smith & Wesson Model 686 revolver. Power factor (PF) in practical shooting competitions refers to a ranking system used to reward cartridges with more recoil. Power factor is a measure of the momentum of the bullet (scaled product of the bullet's mass ...
Competitors in the late 1980s and early 1990s who were using the 9×25mm Dillon used the additional powder available over .38 Super to produce more gas in the compensator, or muzzle brake, to make pistols shoot with as little muzzle rise as possible to allow faster follow-up shots on target. A muzzle brake works by diverting gases ...
The 9×21mm pistol cartridge (also known as the 9×21mm GP, 9×21mm IMI, 9mm IMI, 9×21mm Italian, or 9mm Italian) was designed by Jager (Loano, Italy), then adopted and commercialised by Israel Military Industries for those jurisdictions where military service cartridges, like the 9×19mm Parabellum, are or were illegal for civilian purchase (i.e. Italy, France, Brazil, and Mexico).
The AMT Backup was available in a wide range of calibers: .22 LR, .380 ACP, .38 Super, 9×19mm, .357 SIG, .40 S&W, .400 Corbon and .45 ACP have all been offered. The pistol's marketing slogan was "the smallest, most powerful" backup weapon available (referring to the 45 ACP version).
7-round or 8-round (.45 ACP) 9-round (9 mm and .38 Super) The Colt Commander is a single-action, semi-automatic, magazine-fed, and recoil-operated handgun based on the John M. Browning –designed M1911. It was the first mass-produced American pistol with an aluminium alloy frame and the first Colt pistol to be chambered in 9mm Parabellum.