Cartridge Data Published On: January 19, 2015 at 4:23 pm by Bullet-Blog and last updated on February 1, 2015 at 1:22 am


.14 HWS, .14-222 Helmut


The .14-222 (AKA: .14 HWS, .14-222 Helmut) is a Center Fire cartridge with a Bullet Diameter of 0.144 in” (3.66mm) that is primarily used in Rifles. The .14-222 originated in The United States in (UNKNOWN DATE). The .14-222 also has a case length of 1.7 in” (43.18mm) and an overall length of 1.92 in” (48.77mm).

Additional Cartridge Designations: Wildcat Cartridge.

Cartridge Details

  • Year:
  • Origin:
  • Cartridge Type:
  • Application:
  • Bullet Diameter:
  • Neck Diameter:
  • Shoulder Diameter:
  • Base Diameter:
  • Rim Diameter:
  • Rim Thickness:
  • Case Length:
  • Overall Length:
  • Case Capacity:
  • Primer:
  • 1985
  • The United States
  • Rimless, Bottleneck
  • Rifles
  • 0.144 in” (3.66mm)
  • 0.165 in” (4.19mm)
  • 0.356 in” (9.04mm)
  • 0.375 in” (9.53mm)
  • 0.375 in” (9.53mm)
  • 0.041 in” (1.04mm)
  • 1.7 in” (43.18mm)
  • 1.92 in” (48.77mm)
  • 27 gr H20 (1.75 cm3)
  • 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.