8x56mmR

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The 8x56mmR cartridge was used by Austria-Hungary. Originally created for the Steyr-Solothurn light machine gun as the M30, it was later adopted for use in rifles in 1931 as the M31 to replace the 8x50mmR cartridge. This ammunition was made at a variety of plants as well as countries, including Austria, Germany, Bulgaria and Czechoslovakia.

[edit] Specifications

Bullet Diameter            .329
Case Neck Diameter         .365
Case Shoulder Diameter     .473
Case Base Diameter         .491
Case Rim Diameter          .554
Case Rim Thickness         .060
Case Length                2.20
Overall Cartridge Length   3.02
Military Bullet Weight      206 
Velocity                   2300