.357 SIG
Overview
 
The .357 SIG pistol
Pistol
When distinguished as a subset of handguns, a pistol is a handgun with a chamber that is integral with the barrel, as opposed to a revolver, wherein the chamber is separate from the barrel as a revolving cylinder. Typically, pistols have an effective range of about 100 feet.-History:The pistol...

 cartridge is the product of Swiss
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

-German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 firearms manufacturer SIG-Sauer
Schweizerische Industrie Gesellschaft
Schweizerische Industrie Gesellschaft , or SIG, is the former name of SIG Holding AG, a Swiss company that has been active in various businesses during its more than 150 years of operation. Since the year 2000 the Society has undergone strategic refocus, concentrating on its core compentence in...

, in cooperation with the American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 ammunition
Ammunition
Ammunition is a generic term derived from the French language la munition which embraced all material used for war , but which in time came to refer specifically to gunpowder and artillery. The collective term for all types of ammunition is munitions...

 manufacturer Federal Cartridge
Federal Cartridge
Federal Cartridge is a wholly owned subsidiary of Alliant Techsystems, located in Edina, Minnesota. With a work force of nearly 1,000 in Anoka, Minnesota, Federal manufactures a complete line of shotshell, centerfire, and rimfire ammunition and components....

. While it is based on a .40 S&W
.40 S&W
The .40 S&W is a rimless pistol cartridge developed jointly by major American firearms manufacturers Winchester and Smith & Wesson. The .40 S&W was developed from the ground up as a law enforcement cartridge designed to duplicate performance of the FBI's reduced velocity 10mm cartridge which could...

 case necked down to accept 0.355 inches (9 mm) bullets, the .357 SIG brass is slightly longer (0.009 inch (0.2286 mm) to 0.02 inch (0.508 mm)). The cartridge is used by a number of law enforcement agencies and has a good reputation for both accuracy and stopping power.
Developed in 1994, the new cartridge was named "357" to highlight its purpose: to duplicate the performance of 125 gr .357 Magnum
.357 Magnum
The .357 S&W Magnum , or simply .357 Magnum, is a revolver cartridge created by Elmer Keith, Phillip B. Sharpe, Colonel D. B. Wesson of firearms manufacturer Smith & Wesson, and Winchester. It is based upon Smith & Wesson's earlier .38 Special cartridge. The .357 Magnum cartridge was introduced in...

 loads fired from 4 inches (101.6 mm) barreled revolvers, in a cartridge designed to be used in a semi-automatic pistol.
 
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