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.It is most commonly used in revolvers, although some semi-automatic pistols and carbines also use this round. The common rifling twist rate for this cartridge is 1 in 16 in (406 mm), 6 grooves, ø lands = .346 in, ø grooves = .355 in, land width =.12 mm and the primer type is small pistol. In 1972, the Federal Bureau of Investigation introduced a new .38 +P loading that became known as the "FBI Load". During World War II, some U.S. aircrew (primarily Navy and Marine Corps) were issued .38 Special S&W Victory revolvers as sidearms in the event of a forced landing. This .38 Special variant incorporated a 200 grains (13 g) round-nosed lead 'Lubaloy' bullet, the .38 Super Police. MPN 499940999600. Pistol cartridge designed by Colt's Manufacturing Company, LLC, Rimless .38 Super cartridge case variants, Sporting Arms and Ammunition Manufacturers' Institute, Commission internationale permanente pour l’épreuve des armes à feu portatives, United States Practical Shooting Association, International Practical Shooting Confederation, International Defensive Pistol Association, "C.I.P. Used Smith & Wesson Model 10-7 Revolver, .38 Special - $264.59. Non essendo dotata di potenza molto elevata, in molti casi i componenti delle forze di polizia ritennero necessario avere a disposizione armi più efficaci. 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. The .38 Super has made a comeback in IPSC and USPSA sports shooting raceguns, particularly when equipped with a compensator, because it exceeds the power factor threshold to be considered a "major" charge, while having much more manageable recoil than .45 ACP. Originally labeled "For Law Enforcement Only",[26] +P+ ammunition is intended for heavier-duty .38 Special and .357 Magnum revolvers, as the increased pressure levels can result in accelerated wear and significant damage to firearms rated for lower-pressure .38 Special loadings (as with other .38 Special loadings, the .38 Special +P+ can also be fired safely in .357 revolvers).[27]. Questa pagina è stata modificata per l'ultima volta il 12 ago 2020 alle 16:57. https://en.wikipedia.org/w/index.php?title=.38_Special&oldid=985485816, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 October 2020, at 06:31. Tracer cartridges in .38 Special caliber of different colors were issued, generally as part of a standard aircrew survival vest kit. Except for case length, the .38 Special is identical to the .38 Short Colt, .38 Long Colt, and .357 Magnum. Use of compensators in competition is limited to the Open Division in IPSC and USPSA. 38 special FMJ - S&B including box.jpg 2,371 × 1,767; 2.22 MB 38 Special LWC Fiocci.jpeg 2,304 × 1,728; 841 KB 38 special SP - S&B including box.jpg 2,782 × 2,187; 3.15 MB decisions, texts and tables - free current C.I.P. The .38 Super has 17.6 grains H2O (1.14 ml) cartridge case capacity. [15] The .38/44 high-speed cartridge came in three bullet weights: 158 grains (10.2 g), 150 and 110 grains (9.7 and 7.1 g), with either coated lead or steel jacket, metal-piercing bullets. pressure to be certified for sale to consumers. A few specialty manufacturers' +P loads for this cartridge can attain even higher energies than that, especially when fired from longer barrels, produce energies in the range of the 9 mm Parabellum. Most current ammunition manufacturers label ammunition for the Super as .38 Super +P. These loads are generally not recommended for older revolvers or ones not specifically "+P" rated. When Colt switched the inventory's supply of the model from the Series-70s to the Series-80s, the model fell into lesser demand. Upon purchase, the item is removed from the Courier's inventory and replaced with 50 .38 special rounds. Take your favorite fandoms with you and never miss a beat. In the case of target loads, a 148 gr (9.6 g) bullet is propelled to only 690 ft/s (210 m/s). It can range from light target loads to more powerful defensive ammunition. 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? For the band, see, The metal-penetrating bullets were often described as. Although only a few US police departments now issue or authorize use of the .38 Special revolver as a standard-duty weapon, the caliber remains popular with some police officers for use in short-barreled revolvers carried when off duty or for undercover-police investigations. [22] A variant of the standard M41 cartridge with a semi-pointed, unjacketed lead bullet was later adopted for CONUS (Continental United States) police and security personnel.[20]. During the late 1920s, and in response to demands for a more effective law enforcement version of the cartridge, a new standard-velocity loading for the .38 Special was developed by Western Cartridge Company. A request for more powerful .38 Special ammunition for use by Air Police and security personnel resulted in the Caliber .38 Special, Ball, PGU-12/B High Velocity cartridge. [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.