455 Webley Mk II

Cartridge Data Published On: December 20, 2014 at 11:36 pm by Bullet-Blog and last updated on February 12, 2015 at 11:25 am


.455 Webley Mark II


The .455 Webley Mk II (AKA: .455 Webley Mark II) is a Center Fire cartridge with a Bullet Diameter of 0.454 in” (11.53mm) that is primarily used in Pistols. The .455 Webley Mk II originated in The United Kingdom in 1897. The .455 Webley Mk II also has a case length of 0.77 in” (19.56mm) and an overall length of 1.23 in” (31.24mm).

Additional Cartridge Designations: Historic, Discontinued

Cartridge Details

  • Year:
  • Origin:
  • Cartridge Type:
  • Application:
  • Bullet Diameter:
  • Neck Diameter:
  • Shoulder Diameter:
  • Base Diameter:
  • Rim Diameter:
  • Rim Thickness:
  • Case Length:
  • Overall Length:
  • Primer:
  • CIP:
  • CIP Proof:
  • 1897
  • The United Kingdom
  • Rimmed, Straight
  • Pistols
  • 0.454 in” (11.53mm)
  • 0.476 in” (12.09mm)
  • N/A
  • 0.48 in” (12.19mm)
  • 0.535 in” (13.59mm)
  • 0.03 in” (0.81mm)
  • 0.77 in” (19.56mm)
  • 1.23 in” (31.24mm)
  • Center Fire (Large Pistol, Small Pistol (Modern))
  • 90 MPa (13053 psi)
  • ~117 MPa (16969 psi)

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