7x57

Calibre specification
Metric (mm) Imperial (in)
Calibre 7 X 57 .276 x 2.24
Name: Mauser
Case Type: Rimless, bottlenecked
Bullet Diameter: 7.20
Case Length: 56.9
Rim Diameter: 12.04
Neck Diameter: 7.98
Shoulder Diameter:
Base Diameter: 11.95
Total Length: 77.8
Weight: 23 grammes
Primer: Berdan
Year Introduced: 1892
Also known as:
  • 7×57
  • 7mm M1893
  • 7mm Spanish Mauser
  • DWM 380
  • GR 574, 649, 664
Countries using this calibre
Brazil
Chile
El Salvador
Spain
Venezuala

Sources: