Austro-Hungarian Empire WWI service rifle cartridge for the Mannlicher M1895 straight-pull rifle. Widely used across Central Powers and Balkan states; replaced by 8x56mmR in the 1930s for remaining Austrian service rifles.
Type: Rifle
Introduced: 1886, Austria-Hungary
Parent case: None
Standardization: None
Bullet diameter: 0.323" (8.2 mm)
Case length: 1.969" (50.01 mm)
Overall length: 2.953" (75 mm)
Max pressure: 52,000 PSI
Rim type: Rimmed
Primer: Berdan Large Rifle
Typical twist rate: 1:10
Muzzle velocity: 1870–2035 fps
Muzzle energy: 1896–2241 ft-lbs
Effective range: 600 yd
Common bullet weights: 244 gr
Primary use: Military
Production status: Discontinued
Also known as: 8x50mmR Austrian · 8mm Mannlicher · 8x50R
History: Adopted by Austria-Hungary in 1886 for the Mannlicher M1886. The M1895 straight-pull Mannlicher — one of the fastest manually operated bolt-actions ever made — chambered this cartridge and served as the Austro-Hungarian standard rifle through WWI. Romania, Bulgaria, and Greece also fielded 8x50mmR rifles. After WWI, Austria converted remaining rifles to 8x56mmR. Original ammunition is…
Notable firearms: Mannlicher M1895 Straight-Pull, Mannlicher M1886, Mannlicher M1888
Military use: Austria-Hungary, Romania, Greece, Bulgaria
Similar cartridges: 8x56mmR, 8x57 JRS, 7.92x57mm Mauser