.20 Squirrel

Cartridge Data Published On: January 20, 2015 at 10:23 pm by Bullet-Blog and last updated on January 20, 2015 at 10:35 pm


.20 Eichelberger Squirrel


The .20 Squirrel (AKA: .20 Eichelberger Squirrel) is a Center Fire cartridge with a Bullet Diameter of 0.204 in” (5.18mm) that is primarily used in Rifles. The .20 Squirrel originated in The United States in (UNKNOWN DATE). The .20 Squirrel also has a case length of 0.919 in” (23.34mm) and an overall length of 1.1692 in” (29.7mm).

Additional Cartridge Designations: Wildcat Cartridge.

Cartridge Details

  • Origin:
  • Cartridge Type:
  • Application:
  • Bullet Diameter:
  • Neck Diameter:
  • Shoulder Diameter:
  • Base Diameter:
  • Rim Diameter:
  • Rim Thickness:
  • Case Length:
  • Overall Length:
  • Primer:
  • The United States
  • Rimmed, Bottleneck
  • Rifles
  • 0.204 in” (5.18mm)
  • 0.228 in” (5.79mm)
  • 0.293 in” (7.44mm)
  • 0.296 in” (7.52mm)
  • 0.36 in” (9.14mm)
  • 0.065 in” (1.65mm)
  • 0.919 in” (23.34mm)
  • 1.1692 in” (29.7mm)
  • Center Fire (Small Rifle)

[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 . 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.