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.310 Cadet
Type Rifle
Place of origin United Kingdom
Production history
Designer W.W. Greener
Designed 1900
Specifications
Case type Rimmed, Straight
Bullet diameter .314 in (Bad rounding hereScript error mm)
Neck diameter .323 in (Bad rounding hereScript error mm)
Shoulder diameter .342 in (Bad rounding hereScript error mm)
Base diameter .350 in (Bad rounding hereScript error mm)
Rim diameter .405 in (Bad rounding hereScript error mm)
Rim thickness .038 in (Bad rounding hereScript error mm)
Case length 1.075 in (Bad rounding hereScript error mm)
Overall length 1.492 in (Bad rounding hereScript error mm)
Rifling twist 16"
Primer type Small rifle
Ballistic performance
Bullet weight/type Velocity Energy
110 gr (Bad rounding hereScript error g) SP1,500 ft/s (Bad rounding hereScript error m/s)550 ft·lbf (Bad rounding hereScript error J)
120 gr (Bad rounding hereScript error g) SP1,530 ft/s (Bad rounding hereScript error m/s)624 ft·lbf (Bad rounding hereScript error J)
Source(s): "Cartridges of the World"[1]

The .310 Cadet, also known as the .310 Greener, or the .310 Martini, is a centerfire rifle cartridge, introduced in 1900 by W.W. Greener as a target round for the Martini Cadet rifle.[2] Firing a 120 grain heeled lead projectile at 1200 ft/s the round is similar in performance to the .32-20 Winchester and many rifles may chamber both rounds with some accuracy.[3] This is NOT meant to imply that such a practice is generally advisable, or that both bullets are safely interchangeable, although for reloading purposes the 110-grain .32-20 bullet may be used in a .310 cartridge (being only marginally narrower).

The round gained popularity in Australia, New Zealand and the United States when thousands of Martini Cadet rifles were sold by the Australian government after World War II.[4]

See alsoEdit

ReferencesEdit

  1. Script error
  2. Barnes, Frank C., Cartridges of the World, 7th Edition, p305
  3. Donnelly, John J., Handloaders Manual of Cartridge Conversions, p360
  4. Martini Gallery

External linksEdit


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