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The Glock 17 is an Austrian double-action only (DAO) semi-automatic pistol which first appeared in 1983 supplying the Austrian army, and then became popular around the world particularly with American police forces. It is a self-cocking automatic pistol using a locked breech relying on the Browning tilting barrel, and produced in 40 per cent plastic materials. The Glock 17 is chambered for the 9 mm Parabellum cartridge and takes a 17 round magazine. A variant, the Glock 17L is a longer model with a 153 mm long barrel, rather than a 114 mm long barrel as fitted to the standard model.
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The Glock 18 is an Austrian selective fire automatic pistol based upon the Glock 17, and produced since 1986. The pistol can fire single shots or 1300 rounds per minute in automatic mode. The Glock 18 is chambered for the 9 mm Parabellum cartridge and takes a 19 or 33 round capacity magazine.
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The Glock 19 is a compact version of the Glock 17, being 11 mm shorter and 25 grams lighter in weight.
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The Glock 20 is a semi-automatic pistol manufactured by Glock, and based on the Glock 17 pistol. It is chambered for the 10 mm Auto cartridge which it takes from a 15-round magazine.
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The Smith and Wesson Sigma is an American short-recoil double-action semi-automatic service pistol based on the Glock 17. The Smith and Wesson Sigma is available chambered in 9 mm Parabellum calibre (model SW9F) and in .40 Smith and Wesson calibre (model SW40F) and takes either a 17-round magazine (9 mm calibre) or 15-round magazine (.40 calibre) depending upon calibre.
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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