9×18mm Ultra

The 9×18mm Ultra is a German pistol cartridge.[1] It was originally developed in the 1936 for use by the Luftwaffe, but was not adopted at that time.[1]

9×18mm Ultra
TypePistol
Place of originNazi Germany
Service history
Used byWest German Police
Production history
Designed1936
Specifications
Case typeRimless
Bullet diameter9.01 mm (0.355 in)
Case length18.288 mm (0.7200 in)
Primer typeBerdan or Boxer small pistol
Ballistic performance
Bullet mass/type Velocity Energy
6.09 g (94 gr.) JFP 320 m/s (1,000 ft/s) 312 J (230 ft⋅lbf)
6.48 g (100 gr.) JFP 323 m/s (1,060 ft/s) 338 J (249 ft⋅lbf)
Source(s): guns.ru - Ammunition for submachine guns and handguns

Description

In the 1972–1973 time frame, Walther introduced the Walther PP Super chambered in the cartridge for the West German Police.[1] It might have been influenced by a relative success of Soviet 9×18mm Makarov, although most observe in the opposite (the Ultra cartridge is usually agreed to have been the design basis for the Makarov, with similar case length and a slightly wider and shorter projectile). It is often interpreted to be meant as an intermediate round between 9×17mm and 9×19mm Parabellum (as many intermediate rifle cartridges are meant to act as a medium between pistols and full power rifle rounds), fit for simple blowback pistols.[2] The Walther PP Super was discontinued in 1979.[3] The cartridge was made available to the civilian market in 1975.[1] It did not gain lasting popularity however.[3]

In addition to the Walther PP Super, the SIG Sauer P230,[1] Mauser HSc-80,[4] and Benelli B76[1] were also produced in 9×18mm Ultra.

The 9×18mm Ultra (.355-inch caliber) is not interchangeable with the 9×18mm Makarov (.365-inch caliber), as the latter uses a larger diameter bullet.

gollark: Probably.
gollark: The UK has *all* the best laws.
gollark: Not under UK law!
gollark: I mean, it might be illegal to listen to some things, but in that case your country is wrong.
gollark: I have one in a box somewhere.

References
  1. Frank C. Barnes (2012). Richard A. Mann (ed.). Cartridges of the World: A Complete Illustrated Reference for More Than 1,500 Cartridges. Gun Digest Books. p. 338. ISBN 1440230595.
  2. Erenfeicht, Leszek (2018) (in Polish). From Russia with Love. Pistolet Makarowa. „Strzał.pl” No. 6/2018. III (19), p. 25-26. ISSN 2451-4942
  3. "Modern Firearms - Walther PP Super". World.guns.ru. Archived from the original on 2010-09-02. Retrieved 2012-11-07.
  4. Downey, Jim (2 May 2012). "Gun Review: Mauser HSc-80: A decent gun except for the 9mm Ultra cartridge". Guns.com. Retrieved 17 September 2016.
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