.12 H&R Mag

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


The .12 H&R Mag Firearm Cartridge Originated in The United States.12 Eichelberger H&R Magnum


The .12 H&R Mag (AKA: .12 Eichelberger H&R Magnum) is a Center Fire cartridge with a Bullet Diameter of 0.123 in” (3.12mm) that is primarily used in Rifles. The .12 H&R Mag originated in The United States in (UNKNOWN DATE). The .12 H&R Mag also has a case length of 1.075 in” (27.31mm) and an overall length of (UNKNOWN).

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:
  • Case Capacity:
  • Primer:
  • The United States
  • Rimmed, Bottleneck
  • Rifles
  • 0.123 in” (3.12mm)
  • 0.143 in” (3.63mm)
  • 0.33 in” (8.38mm)
  • 0.33 in” (8.38mm)
  • 0.375 in” (9.53mm)
  • 0.055 in” (1.4mm)
  • 1.075 in” (27.31mm)
  • 10.06 gr H20 (0.65 cm3)
  • Center Fire (Small Rifle)
The .12 H&R Mag has a bullet diameter of 0.123 inches.


.12 H&R Mag Rifle Cartridge Specification Dimensions Measurements


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