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The SIGM400 Predator is a rifle while the SIGPM400 Elite PSB is a pistol. The rifles are chambered for either 5.56×45mm NATO with 14.5-inch (37 cm), 16-inch (41 cm), 18-inch (46 cm), or 20-inch (51 cm) barrels threaded 1/2x28, or chambered for .300 AAC Blackout with 9-inch (23 cm) or 16-inch (41 cm) barrels which are threaded 5/8x24 for muzzle devices such as sound suppressors.
The Smith & Wesson SW series, most commonly referred to as the Smith & Wesson Sigma, was Smith & Wesson's first venture into using synthetic materials in pistol construction, with high-strength polymer material for the frame. The Smith & Wesson Sigma is somewhat infamous in the gun community due to its controversial history.
The Sigma APO 120-400mm F4.5-5.6 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumers.
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Sigma Corporation (株式会社シグマ, Kabushiki-gaisha Shiguma) is a Japanese company, manufacturing cameras, lenses, flashes and other photographic accessories. All Sigma products are produced in the company's own Aizu factory in Bandai , Fukushima , Japan .
The Smith & Wesson SD Series is a polymer-framed, striker-fired semi-automatic pistol line that the American company Smith & Wesson introduced in 2010, replacing the SW / Sigma line. [1] Smith & Wesson started manufacturing "SD VE" (VE for Value Enhanced) models in 2012. The SD VE models have stainless steel slides. [2]
400 may refer to: 400 (number), the natural number following 399 and preceding 401; A year: 400 BC or AD 400; The Four Hundred, the oligarchic government controlling Athens after the Athenian coup of 411 BC; The Four Hundred (1892), the social elite of New York City in the late 19th century
Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals , it has a value of 200.