Smith & Wesson Sigma
| Smith & Wesson SW | |
|---|---|
S&W SW
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| Type | Semi-automatic pistol |
| Place of origin |
 United States
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| Production history | |
| Designer | Smith & Wesson |
| Designed | 1993-1994 |
| Manufacturer | Smith & Wesson |
| Variants | SW40F, SW9F, SW40C, SW9C, SW40V, SW9V, SW40E, SW9E, SW40VE, SW40Ti, SW357V, SW9VE, SW9P, SW9G, SW380M, SW9M |
| Specifications | |
| Weight | 26 ounces (740 g) (SW40F, SW9F) 24 ounces (690 g) (SW40C, SW40V, SW40VE, SW40E. SW357V) 24 1/2 ounces (700 g) (SW9C, SW9V, SW9VE, SW9E, SW9G, SW9P) 20 ounces (SW40Ti) |
| Length | 7 3/4 inches (197 mm) (SW40F, SW9F) 7 1/4 inches (184 mm) (SW40C, SW40V, SW40VE, SW40E, SW40Ti, SW357V SW9C, SW9V, SW9VE, SW9E, SW9G, SW9P) |
| Barrel length | 4 1/2 inches (114 mm) (SW40F, SW9F) 4 inches (102 mm) (SW40C, SW40V, SW40VE, SW40E, SW357V, SW9C, SW9V, SW9VE, SW9E, SW9G, SW9P) |
| Width | 1 1/3 inches (33 mm) |
| Height | 5 1/2 inches (142 mm) (SW40F, SW9F) |
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| Cartridge |
.40 S&W 357SIG 9×19mm Parabellum .380 ACP (SW380M) |
| Action | Short recoil |
| Feed system | 16-round box magazine 17-round box magazine (SW9F) 15-round box magazine (SW40F, SW357V) 14-round box magazine |
| Sights | Fixed 3-dot notch sights |
The Smith & Wesson SD, formerly known as the Sigma, was Smith & Wesson's first venture into using synthetic materials in pistol construction, using high-strength polymer material for the frame. The pistol is similar to a Glock safe-action pistol in both its design and operation, leading to some controversy and speculation as to the legality of the pistol's patents.
Created in 1994, the Sigma incorporates pre-set striker firing mechanism. It is available in both .40 S&W cartridge and 9×19mm Parabellum being one of the first pistols purpose-designed to handle the .40 S&W. Similar styled sub-compact designs in .380 ACP and 9×19mm were also manufactured. A limited number of these pistols were also chambered for the .357 SIG cartridge.
The Sigma series pistols were so similar to the competing Glock pistols that Glock sued Smith & Wesson for patent infringement. The case was settled out of court in 1997, with S&W agreeing to make alterations to the Sigma design and pay an undisclosed amount to Glock.
Afghanistan National Army, Border patrol and police (22,000 handguns +)
In 1994 S&W rolled out the original Sigmas, the SW40F and SW9F chambered in .40 S&W and 9mm Luger respectively. Both were full sized models denoted by the F. Both had black polymer frame and a dark blued slide. Both had 'double stack' magazines with a capacity of 15 and 17 rounds respectively. The pistol was designed to compete with the Glock 17. It had the same grip angle as the Colt 1911A1, and was priced slightly above the Glock 17.
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Wikipedia