S W Sigma 40 Cal

Sigma-Aldrich Corporation to Present at Upcoming Investor Conferences

CLSA AsiaUSA Forum 2011 on Wednesday, November 9, at the Palace Hotel, San Francisco, CA, presenting at 10:30 AM (Pacific). Mizuho Securities USA Inc. 2011 One-on-One Equity Conference on Thursday, November 17, at Loews Regency Hotel, New York, NY.

Interested parties may listen via live audio broadcast of the CLSA AsiaUSA Forum 2011 over the Internet available at http://investor.sigmaaldrich.com/ . Users can click the "Webcast" icon to access this file.

Abo u t Sigma-Aldr i ch: Sigma-Aldrich is a leading Life Science and High Technology company committed to Enabling Science to Improve the Quality of Life. Its chemical and biochemical products and kits are used in scientific research, including genomic and proteomic research, biotechnology, pharmaceutical development and as key components in pharmaceutical, diagnostic and other high technology manufacturing. The Company has customers in life science companies, university and government institutions, hospitals, and in industry. Over one million scientists and technologists use its products. Sigma-Aldrich operates in 40 countries and has 8,300 employees providing excellent service worldwide. For more information about Sigma-Aldrich, please visit its award-winning Web site at http://www.sigma-aldrich.com .

SOURCE Sigma-Aldrich

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[WATCH]: Smith and Wesson Sigma .40 cal Combat ... - Pepper Sprays

The Sigma is Smith & Wesson’s venture into using synthetic materials in gun construction, using high-strength polymer material for the frame. Created in 1994, it also incorporates a self-cocking or double-action only firing mechanism, so that the pistol can be fired without delay or preparation. The basic model is chambered for the .40 S&W cartridge, but it is also available in 9 x 19mm Parabellum and a sub-compact model in .380 ACP was also manufactured. A limited amount of these guns were also chambered for the .357 Sig cartridge. The Sigma series pistols are 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. In 1999 S&W improved the Sigma series with the main changes being shortening of the barrel and the slide by .5 inch (12.7 mm). Other improvements included a more ergonomic and comfortable grip and a slightly enlarged ejection port, due to the proprietary accessory rails located at the front (an inexpensive adapter can be attached to turn it into a standard picatinny mount).

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