Extremely accurate Swiss military cartridge. Known for outstanding Swiss GP11 military ammunition quality. Popular for precision shooting and hunting.
Type: Rifle
Introduced: 1911, Switzerland
Parent case: None
Standardization: Obsolete / Non-standard
Bullet diameter: 0.308" (7.82 mm)
Case length: 2.165" (55 mm)
Overall length: 3.031" (77 mm)
Max pressure: 56,000 PSI
Rim type: Rimless
Primer: Large Rifle
Typical twist rate: 1:10.6
Muzzle velocity: 2550–2750 fps
Muzzle energy: 2450–2850 ft-lbs
Effective range: 1000 yd
Common bullet weights: 165, 174, 180 gr
Primary use: Military, Target, Hunting
Production status: Active
Also known as: 7.5 Swiss · GP11 · 7.5x55mm Schmidt-Rubin
History: Adopted by Switzerland in 1911 for the Schmidt-Rubin rifles. Swiss neutrality meant it never saw combat but was perfected for accuracy. Swiss GP11 military surplus ammunition is famous for being match-grade quality. Still used for Swiss militia training and competition shooting.
Notable firearms: K31, Schmidt-Rubin 1889, Schmidt-Rubin 1911, K11, Stgw 57
Military use: {"country":"Switzerland","years":"1911-present","conflicts":["None (Swiss neutrality)"]}
Similar cartridges: .308 Winchester, 7.62x51mm NATO