Users
- Albania
- Australia
- Canada
- Ceylon
- India
- Pakistan
- New Zealand
- South Africa
- Southern Rhodesia
- China
- Czechoslovakia (used four locally produced Mk 30s (modified Vickers guns) on the Avia B-534)
- Bolivia
- Egypt
- France French air service (SPAD IX and XIII) during WWI.
- Ireland
- Luxembourg
- Mexico
- Nepal
- Paraguay
- Philippines
- Portugal Produced locally in 1929.
- United Kingdom
- United States Issued to the first U.S divisions sent to France in World War I due to the lack of American machine guns.
Read more about this topic: Vickers Machine Gun