14-222

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  • THE .14-222 IS ALSO KNOWN AS:

  • .14 HWS, .14-222 Helmut

  • SUMMARY OF THE .14-222 CARTRIDGE:

    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.

  • The .14-222 Firearm Cartridge Originated in The United States

Cartridge Details

  • Year Introduced: 1985
  • Country of Origin: The United States
  • Case Type: Rimless, Bottleneck
  • Primary Application: Rifles
  • Bullet Diameter: 0.144 in” (3.66mm)
  • Neck Diameter: 0.165 in” (4.19mm)
  • Shoulder Diameter: 0.356 in” (9.04mm)
  • Base Diameter: 0.375 in” (9.53mm)
  • Rim Diameter: 0.375 in” (9.53mm)
  • Rim Thickness: 0.041 in” (1.04mm)
  • Case Length: 1.7 in” (43.18mm)
  • Overall Length: 1.92 in” (48.77mm)
  • Case Capacity: 27 gr H20 (1.75 cm3)
  • Primer: Center Fire (Small Rifle)
  • Rifling Twist: 1:8.75 in (222mm)
  • Max Pressure:
  • CIP Pressure:
  • CIP Proof Test:
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Cartridge Data Published On: January 19, 2015 at 5:23 pm by Bullet-Blog and last updated on February 1, 2015 at 2:22 am