9mm Largo

Cartridge Data Published On: December 20, 2014 at 11:36 pm by Bullet-Blog and last updated on February 12, 2015 at 11:24 am


The 9mm Largo Firearm Cartridge Originated in Germany9mm Bergmann-Bayard, 9mm Bayard Long, 9x23mm


The 9mm Largo (AKA: 9mm Bergmann-Bayard, 9mm Bayard Long, 9x23mm) is a Center Fire cartridge with a Bullet Diameter of 0.355 in” (9.02mm) that is primarily used in Pistols. The 9mm Largo originated in Germany in 1901. The 9mm Largo also has a case length of 0.91 in” (23.11mm) and an overall length of 1.32 in” (33.53mm).

Cartridge Details

  • Year:
  • Origin:
  • Cartridge Type:
  • Application:
  • Bullet Diameter:
  • Neck Diameter:
  • Shoulder Diameter:
  • Base Diameter:
  • Rim Diameter:
  • Case Length:
  • Overall Length:
  • Primer:
  • 1901
  • Germany
  • Rimless, Tapered
  • Pistols
  • 0.355 in” (9.02mm)
  • 0.379 in” (9.63mm)
  • N/A
  • 0.39 in” (9.91mm)
  • 0.392 in” (9.96mm)
  • 0.91 in” (23.11mm)
  • 1.32 in” (33.53mm)
  • Center Fire (Small Pistol)
The 9mm Largo pistol cartridge has a case overall length of 1.32 inches.


9mm Largo Pistol Cartridge Dimensions show in Inches & MM


[accordion title=’INCONSISTENT, MISSING or INCORRECT DATA’ open=’false’]INCONSISTENT, MISSING or INCORRECT DATA: If you find information here that you believe to be incorrect or missing please report any findings and references you may have as to what corrections should be made to library@bullet-blog.com. Please note your username in the email.

NOTE: This Firearms Cartridge Library is currently in BETA and may not contain complete information or data. The data displayed here by Bullet-Blog is for information use only and should not be used as a reference for reloading live ammunition. When consulting the information on this site or any other information source regarding firearms or ammunition, always compare information against a second or third reference such as a trusted industry authority or reloading manual. Use information here at your own risk.

* Relative to ruler-scaled image above. Size will vary by screen and device used for viewing.