In May 1943, a new .38 Special cartridge with a 158-grain, full steel jacketed, copper flash-coated bullet meeting the requirements of the rules of land warfare was developed at Springfield Armory and adopted for the Smith & Wesson revolvers. In seguito progettata la più potente .357 Magnum che, avendo un bossolo più lungo, necessita di armi progettate appositamente per quel tipo di cartuccia, anche se alcune armi camerate per il .357 di solito possono sparare anche cartucce .38 Special. This .38 Special variant incorporated a 200 grains (13 g) round-nosed lead 'Lubaloy' bullet, the .38 Super Police. It is also widely used in revolvers purchased for civilian, home defense or for concealed carry by individuals with a CCW permit. For the band, see, The metal-penetrating bullets were often described as.
In 1972, the Federal Bureau of Investigation introduced a new .38 +P loading that became known as the "FBI Load".
The velocity is reduced when using the more standard 4-inch (100 mm) barreled guns. The .38 Super has 17.6 grains H2O (1.14 ml) cartridge case capacity. Because of its larger case volume, which allows for more smokeless powder and results in higher muzzle velocities at approximately similar pressure levels,[6] the .38 Super offers higher bullet velocity potential than the 9×19mm Parabellum when handloaded and in some defense loadings.
decisions, texts and tables - free current C.I.P. As the .38 Super runs at a higher chamber pressure than the .45 ACP, a compensator will have more recoil-reduction effect.
The cartridge was originally designed to headspace on the semi-rimmed case, which worked in the Colt M1900 due to the design of the feed ramp. The .38 Super could be loaded with a bullet as light as 115 grains. The compensator works by diverting gases at the muzzle. The .38 Smith & Wesson Special (9x29mmR), also commonly known as .38 Special, .38 Spl, or .38 Spc, pronounced "thirty-eight special") is a rimmed, centerfire cartridge designed by Smith & Wesson.It is most commonly used in revolvers, although some semi-automatic pistols and carbines also use this round.
Prior to 1990, the standard sidearms of police in the United States were revolvers that fired the.38 Special cartridge, seconded by revolvers firing the.357 Magnum, a lengthened version of the.38 Special. Ballistics By The Inch .38 special results. Both .38 Special and .357 Magnum will chamber in Colt New Army revolvers in .38 Long Colt, due to the straight walled chambers, but this should not be done under any circumstances, due to dangerous pressure levels, up to three times what the New Army is designed to withstand.
[28] Power (muzzle energy) will, of course, decrease accordingly.
Gander Outdoors. [17] The media attention gathered by the .38/44 and its ammunition eventually led Smith & Wesson to develop a completely new cartridge with a longer case length in 1934—the .357 Magnum.
The other divisions there do not permit their use, and the International Defensive Pistol Association (IDPA) does not permit them at all.
[22] The latter's 158-grain soft lead hollow point is loaded to +P pressures and velocity, which ensures more reliable expansion in unprotected flesh, even when fired in a 2-inch short-barreled revolver. In other parts of the world, it is known by its metric designation of 9×29.5mmR[6] or 9.1×29mmR.[7]. The main reason for the development of new cases was due to the semi-rimmed .38 Super case not always feeding reliably from the double-stack box-magazines used in several semi-automatic pistols popular with practical shooting sports, such as United States Practical Shooting Association (USPSA) or International Practical Shooting Confederation (IPSC).
The .38 Special, handloaded with premium to regular lead bullets can be loaded safely to equal the now popular 9x19mm Luger round, and equal the power of the .45 ACP round. [20] Issued only by the U.S. Air Force, the PGU-12/B had a greatly increased maximum allowable pressure rating of 20,000 psi, sufficient to propel a 130-grain FMJ bullet at 1,125 ft/s (343 m/s) from a solid 6-inch (150 mm) test barrel, and about 950–980 ft/s from a 4-inch (100 mm) revolver barrel.
[11] At the same time, authorities in Great Britain, who had decided to adopt the .38 caliber revolver as a replacement for their existing .455 service cartridge, also tested the same 200 grains (13.0 g) bullet in the smaller .38 S&W cartridge. Another solution is to use an unjacketed soft lead hollow-point bullet as found in the FBI Load.
[18] During the war, many U.S. naval and marine aircrew were also issued red-tipped .38 Special tracer rounds using either a 120-grain or 158-grain bullet for emergency signaling purposes. Ammo box, .38 special is a bulk box of 50 .38 special rounds. [21] The PGU-12/B High Velocity cartridge differs from M41 Special ammunition in two important respects—the PGU-12/B is a much higher-pressure cartridge, with a bullet deeply set and crimped into the cartridge case. At the same time, .38 tracer cartridges were reintroduced by the US Navy, Marines, and Air Force to provide a means of emergency signaling by downed aircrew. Ayoob, Massad, "Why are We Still Using the .38 – It's Still A Good Cartridge", Typically, the FBI Load utilized a very soft lead alloy of 5.5–6 as measured on the, "What are the most popular calibers in the US?
The .38 Smith & Wesson Special (commonly .38 Special, .38 Spl, or .38 Spc, pronounced "thirty-eight special") is a rimmed, centerfire cartridge designed by Smith & Wesson. [1]:68, Wright, James D.; Rossi, Peter H.; Daly, Kathleen. Additionally, the .38 Special's heritage as a black powder cartridge gives it a case size capable of accommodating many types of powders, from slower-burning (e. g. Hodgdon H-110 or Hercules 2400) to fast-burning (e. g. Alliant Bullseye, the traditional smokeless powder for this cartridge).
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