.280-inch

Calibre specification
Metric (mm) Imperial (in)
Calibre 7.11 .280
Name: Enfield
Case Type: Rimless, bottlenecked
Bullet Diameter: 7.22
Case Length: 43.2
Rim Diameter: 11.66
Neck Diameter: 7.94
Shoulder Diameter:
Base Diameter: 11.88
Total Length: 64.5
Weight: 19.8 grammes
Primer: Berdan
Year Introduced: 1947
Also known as:
  • .280 NATO
  • .280 UK
  • .280 Short
  • 7mm F.N. Short
  • 7×43
Countries using this calibre
Britain
Canada

Sources: