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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 ...
The 10mm Auto (also known as the 10×25mm, official C.I.P. nomenclature: 10 mm Auto, [7] official SAAMI nomenclature: 10mm Automatic) [8] is a powerful and versatile semi-automatic pistol cartridge introduced in 1983. Its design was adopted and later produced by ammunition manufacturer FFV Norma AB of Åmotfors, Sweden. [12]
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]
Glock 22 OD in .40 S&W with Coyote Brown frame The competition-oriented Glock 35 in .40 S&W In 1990, Smith & Wesson and Winchester developed the .40 Smith & Wesson by shortening the 10mm case. This created a round that was more powerful than the 9mm Parabellum but with more manageable recoil.
This demand for a shortened 10mm Auto round, the 40 S&W, removed a lot of demand and attention from the 10mm Auto. [6] The pistol was dropped from production in 1996 due to lackluster sales and the availability of similar powered pistols in smaller framed pistols chambered in .40 S&W. [7] Colt Delta Elite O2020 (First Generation 1987–2005)
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]
A guide to the recoil from the cartridge, and an indicator of bullet penetration potential. The .30-06 Springfield (at 2.064 lbf-s) is considered the upper limit for tolerable recoil for inexperienced rifle shooters. [2] Chg: Propellant charge, in grains; Dia: Bullet diameter, in inches; BC: Ballistic coefficient, G1 model; L: Case length (mm)
In the classic division a choice can be made between up to a 10-shot capacity 1911 with minor scoring (e.g. 9×19mm) or up to an eight-shot capacity 1911 with major scoring (e.g. .40 S&W or .45 ACP). In the revolver division major scoring can be achieved with a 9 mm bullet diameter, but with a power factor of 170.