Japanese military cartridge used from Russo-Japanese War through WWII. Known for mild recoil and adequate performance. Semi-rimmed design.
Type: Rifle
Introduced: 1897, Japan
Parent case: None
Standardization: Obsolete / Non-standard
Bullet diameter: 0.264" (6.71 mm)
Case length: 1.969" (50 mm)
Overall length: 3.071" (78 mm)
Max pressure: 46,000 PSI
Rim type: Semi-Rimmed
Primer: Large Rifle
Typical twist rate: 1:8
Muzzle velocity: 2300–2500 fps
Muzzle energy: 1750–2000 ft-lbs
Effective range: 600 yd
Common bullet weights: 139, 156, 160 gr
Primary use: Military
Production status: Obsolete
Also known as: 6.5mm Japanese · 6.5x50mmSR Arisaka
History: Adopted by Imperial Japanese Army in 1897 for the Type 30 Arisaka rifle. Served through the Russo-Japanese War, WWI, and WWII. The mild recoil suited smaller-statured Japanese soldiers. Partially replaced by 7.7x58mm in late 1930s but both cartridges were used throughout WWII due to logistics.
Notable firearms: Type 30 Arisaka, Type 38 Arisaka, Type 44 Cavalry Carbine, Type 96 Light Machine Gun
Military use: {"country":"Japan","years":"1897-1945","conflicts":["Russo-Japanese War","WWI","WWII","Sino-Japanese Wars"]}
Similar cartridges: 6.5x55mm Swedish, 6.5x52mm Carcano