The 7.7 x 58mm Arisaka cartridge was chambered in the World War II Arisaka Type_99_Rifle. The cartridge was designed to replace the aging 6.5 x 50 mm Arisaka cartridge after seeing the .303 British in action in China. Due to lack of materials the plan to phase out the 6.5 Arisaka cartridge by the end of the war wasn't completed. Combatants Allied Powers: United Kingdom Soviet Union United States Republic of China and others Axis Powers: Germany Italy Japan and others Commanders Winston Churchill Joseph Stalin Franklin Roosevelt Chiang Kai-Shek Adolf Hitler Benito Mussolini Hideki Tojo Casualties Military dead: 17,000,000 Civilian dead: 33,000,000 Total dead... Arisaka is a family of Japanese military bolt-action rifles, in production from approximately 1898 until the end of World War II in 1945. ... Type 99 Rifle Type service rifle Nationality Japan Era World War 2 History Date of design 1939 Production period 1939 - 1945 Service duration 1939 - 1945 Operators Japan War service Specifications Type Calibre 7. ... It has been suggested that Firearm brass and Casing (ammunition) be merged into this article or section. ... This article or section does not cite its references or sources. ...

While the round chambered by the Arisaka rifle used a rimless case, rimmed and semi-rimmed variants were produced for use in some Japanese machine guns. The 7.7 Arisaka uses the same .311-.312" bullets as the .303 British, and its cartridge case is similar to the .30-06 Springfield. Factory loaded ammunition and brass cases are available from Norma; Hornady, Sierra and Speer also produce usable bullets. Eight . ...

Specifications

 (in Inches) Bullet Diameter .313 Case Neck Diameter .338 Case Shoulder Diamete .429 Case Base Diameter .468 Case Rim Diameter .470 Case Rim Thickness .040 Case Length 2.09 Overall Cartridge Length 2.95 Military Bullet Weight 175 grain Velocity 2400 fps 

References

http://www.chuckhawks.com/7-7mmArisaka.htm http://www.surplusrifle.com/arisaka/ammunition.asp