7.5 x 55 (Swiss)

75x55

Calibre specification
Metric (mm) Imperial (in)
Calibre 7.5 x 55 .295 x 2.17
Name:
Case Type: Rimless, bottlenecked
Bullet Diameter: 7.69
Case Length: 55.5
Rim Diameter: 12.60
Neck Diameter: 8.50
Shoulder Diameter:
Base Diameter: 12.58
Total Length: 77.8
Weight: 28.7 grammes
Primer: Berdan
Year Introduced: 1911
Also known as:
  • 7.5mm Schmidt-Rubin Model 1911
  • 7.5mm GP 11
  • 7.5mm Swiss
Countries using this calibre
Switzerland

Sources: