9×18mm Ultra

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

9×18mm Ultra

Type

Pistol

Place of origin

Nazi Germany

Service history

Used by

West German police

Production history

Designed

1936

Specifications

Case type

Rimless

Bullet diameter

9.01 mm (0.355 in)

Shoulder diameter

9.65 mm (0.380 in)

Base diameter

9.81 mm (0.386 in)

Rim diameter

9.37 mm (0.369 in)

Case length

17.85 mm (0.703 in)

Overall length

25.27 mm (0.995 in)

Primer type

Berdan 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)

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