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The .40 S&W (10.2×22mm) is a rimless pistol cartridge developed jointly by American firearms manufacturers Smith & Wesson and Winchester in 1990. [3] The .40 S&W was developed as a law enforcement cartridge designed to duplicate performance of the Federal Bureau of Investigation's (FBI) reduced-velocity 10mm Auto cartridge which could be retrofitted into medium-frame (9 mm size) semi ...
Ed Sanow also felt recoil was equivalent to 230 gr (15 g) hardball in .45 ACP. [6] In addition, the bottleneck case can function better than a straight case with a wider variety of bullet shapes and sizes and allows the use of fully supported barrels. [3] Ballistics fall somewhere between the .40 S&W and the 10 mm Auto. [7]
The Bren Ten (left) and Smith & Wesson Model 610 Classic (right), 1983.. When FFV Norma AB (now Norma Precision AB) designed the cartridge at the behest of Dornaus & Dixon Enterprises, Inc. for their Bren Ten pistol (a newly developed handgun with a design inspired by the CZ 75), the company decided to increase the power over Jeff Cooper's original concept.
The .40 Super drives a 135 grain bullet to 1,800 feet per second while generating less chamber pressure than the 9x23mm Winchester. With a 200-grain bullet, the .40 Super delivers more foot-pounds of energy at 100 yards than the .45 ACP does at the muzzle. The original plan was to market the .40 Super as the .40 SIG, the big brother to the .357 ...
The .40 will have less recoil because velocity is significantly lower. In fact the Wikipedia article on Recoil gives a direct comparison between the 9mm parabellum, the .357 SIG and the .40 S&W. Recoil with the .357 SIG was roughly twice that with the 9mm, and roughly 50% more than the .40 S&W. The article also explains that since acceleration ...
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The 10mm Auto is a rimless automatic pistol cartridge, so moon clips are used to hold cartridges when loading and extracting spent cases en bloc. The Model 610 can also chamber and fire .40 S&W rounds, as the .40 S&W cartridge is a shorter, less powerful variant of the 10mm Auto with the same diameter. [2]
.40 S&W: A shorter-cased version of the 10mm Auto..44 Magnum: A high-powered pistol round designed primarily for hunting..45 ACP: The standard US pistol round for about 75 years. Typical .45 ACP loads are subsonic. [54].45 Colt: a more powerful 45-calibre revolver round using a longer cartridge.