The 9mm Winchester Magnum, which is also known as the 9×29mm, is a

centerfire Two rounds of .357 Magnum, a centerfire cartridge; notice the circular primer in the center A centerfire cartridge is a firearm metallic cartridge whose primer is located at the center of the base of its casing (i.e. "case head"). Unlike rim ...

handgun A handgun is a short- barrelled gun, typically a firearm, that is designed to be usable with only one hand. It is distinguished from a long gun (i.e. rifle, shotgun or machine gun, etc.), which needs to be held by both hands and also braced ...

cartridge Cartridge may refer to: Objects * Cartridge (firearms), a type of modern ammunition * ROM cartridge, a removable component in an electronic device * Cartridge (respirator), a type of filter used in respirators Other uses * Cartridge (surname), a ...

developed by

Winchester Winchester is a City status in the United Kingdom, cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government Districts of England, district, at the western end of the South Downs Nation ...

in the late 1970s. The cartridge was developed to duplicate the performance of the .357 S&W Magnum in an auto-pistol cartridge. The first handgun which chambered the cartridge was the

Wildey The Wildey is a gas-operated, double-action or single-action pistol designed by Wildey J. Moore. It was designed to fire several high-pressure proprietary cartridges including the .45 Winchester Magnum and the .475 Wildey Magnum. They are curre ...

pistol. Since then, Thompson/Center and LAR (Grizzly) have produced barrels chambered for this cartridge and

AMT Amt is a type of administrative division governing a group of municipalities, today only in Germany, but formerly also common in other countries of Northern Europe. Its size and functions differ by country and the term is roughly equivalent to ...

chambered their

Automag III The AMT Automag III is a single action semi-automatic handgun, designed by Harry Sanford, creator of the first Automag. The Automag III does not actually fire a magnum cartridge,but is chambered for the .30 Carbine cartridge, which was original ...

for it too, but the cartridge never reached the popularity enjoyed by other handgun cartridges. Starline Brass in Sedalia, Missouri, still make brass for this cartridge, although much of its production is now used to make 9mm blank firing cartridges for firearms chambered for 9×19mm, as this is easier to accomplish than using

.223 Remington The .223 Remington (designated as the 223 Remington by the SAAMI and 223 Rem by the CIP) is a rimless, bottlenecked rifle cartridge. It was developed in 1957 by Remington Arms and Fairchild Industries for the U.S. Continental Army Command ...

( 5.56×45mm) cases, which may leave the neck area of the blank too thick to crimp properly. 9mm Winchester Magnum cases can also be trimmed and resized for reloading

9×25mm Mauser The 9×25mm Mauser (or 9mm Mauser Export) is a cartridge developed for the Mauser C96 service pistol around 1904 by DWM. Mauser pistols in this relatively powerful caliber were primarily intended for export to Africa, Asia, and South America. The ...

References

{{Reflist Pistol and rifle cartridges Winchester Repeating Arms Company cartridges

See also

References