9×19mm Parabellum: dimensions, loads and chambered firearms

A technical overview of the 9×19mm Parabellum cartridge, its measured dimensions, catalogue loads and the firearms that use it.

Cartridges4 min read

The 9×19mm Parabellum is treated here as both a cartridge specification and a catalogue index point. Introduced in 19021 and designed by Georg Luger, it is recorded as a rimless, tapered brass case using a small pistol primer. The article first sets out the cartridge dimensions and pressure, then compares the catalogue loads by bullet weight, velocity and muzzle energy, before looking at selected firearms chambered for it.

The dimensional figures show a compact pistol cartridge with a bullet diameter of 9.01 mm, neck diameter of 9.65 mm, base diameter of 9.93 mm and rim diameter of 9.96 mm. Its case length is 19.15 mm, while cartridge overall length is 29.69 mm. Those measurements matter because they define the physical envelope used by chambers, magazines and feed geometry.

The pressure figure is equally important. The catalogue gives a maximum pressure of 235 MPa, published as 34,084 psi. It also records 1,586 firearms chambered for 9×19mm Parabellum, which explains why the load and firearm comparisons below cover a broad range of designs rather than a narrow specialist group.

Catalogue loads and performance

For the 9x19mm Parabellum, the catalogue records loads by bullet mass, bullet type, reference barrel length, velocity and derived muzzle energy. This matters because the same cartridge case can carry different projectiles at different velocities, while still producing energies that sit close together in the catalogue record.

LoadBulletReference barrel length (mm)Velocity (m/s)Muzzle energy (J)
M1153 SHP, JHP9.53 g119293409
M882 Ball, FMJ8.04 g102350492
ADI World Class 124gr JHP8.04 g118350492
Federal Premium HST 124gr JHP8.04 g102350492
Hornady Critical Duty 135gr FlexLock8.75 g102308415
Magtech 115gr FMJ7.45 g102346446

The M882 Ball, ADI World Class 124gr JHP and Federal Premium HST 124gr JHP share the same recorded bullet weight, velocity and energy. By contrast, M1153 uses the heaviest projectile listed here and the lowest recorded velocity, giving a lower muzzle energy than those three catalogue entries.

Firearms chambered for 9×19mm

Among the 1,5861 catalogued firearms chambered for 9×19mm Parabellum, this sample shows how the cartridge appears across compact pistols, full size pistols and a compact submachine gun. The figures below are catalogue entries, not a ranking by themselves.

FirearmEmpty weight (g)Barrel length (mm)Muzzle velocity (m/s)
Glock 48588106370
Glock 34 Gen5 MOS743135370
Glock G17 Gen6600114375
B&T MP91,400130400
Glock 19X625102360
Glock G2661587360
Heckler & Koch USP715108360
Heckler & Koch VP9725104360

The chart below visualises the muzzle velocity entries. It shows the B&T MP9 at 400 m/s2, above the pistol entries, while several pistols share the 360 m/s3 catalogue figure. The USP weight is recorded as 715 g4, with the catalogue noting source disagreement on that value.

For the complete cartridge record and the wider chambering list, see the 9×19mm Parabellum catalogue page.

Muzzle velocity, compared

B&T MP9: 400 m/sB&T MP9400 m/sGlock G17 Gen6: 375 m/sGlock G17 Gen6375 m/sGlock 34 Gen5 MOS: 370 m/sGlock 34 Gen5 MOS370 m/sGlock 48: 370 m/sGlock 48370 m/sGlock 19X: 360 m/sGlock 19X360 m/sGlock G26: 360 m/sGlock G26360 m/sHeckler & Koch USP: 360 m/sHeckler & Koch USP360 m/sHeckler & Koch VP9: 360 m/sHeckler & Koch VP9360 m/s

Source: GET /v1/firearms/compare?ids=glock-48,glock-34-gen5,glock-g17-gen-6,bt-mp9,glock-g19x,glock-g26,hk-usp,hk-vp9

The data in this chart
FirearmMuzzle velocity (m/s)
B&T MP9400
Glock G17 Gen6375
Glock 34 Gen5 MOS370
Glock 48370
Glock 19X360
Glock G26360
Heckler & Koch USP360
Heckler & Koch VP9360

Sources and methods

Footnotes

  1. GunSpec catalogue record for the 9x19mm Parabellum, which cites en.wikipedia.org. In the API: calibers reference and ammunition reference. ↩ ↩2

  2. GunSpec catalogue record for the B&T MP9, which cites en.wikipedia.org, bt-usa.com, forgottenweapons.com, thefirearmblog.com. In the API: firearms reference. ↩

  3. GunSpec catalogue record for the Glock 19X, which cites us.glock.com, shootingillustrated.com, americanfirearms.org, thefirearmblog.com. In the API: firearms reference. ↩

  4. GunSpec catalogue record for the Glock 48, which cites us.glock.com, dragonmans.com, craftholsters.com, web.archive.org. In the API: firearms reference. ↩

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