3-inch gun

A 3-inch gun is a gun with a 3-inch bore. Examples include:

• 3-inch M1902 field gun also M1904, M1905
• 3-inch gun M1903 - US coast defense gun, also M1898, M1902 seacoast gun
• 3"/50 caliber gun - US dual purpose naval gun
• 3"/23 caliber gun - US dual purpose naval gun
• QF 3 inch 20 cwt - British anti-aircraft gun
• 3-inch Gun M1918 - US anti-aircraft gun
• 3-inch Gun M5 - US anti-tank gun

1. 3-inch gun M1918
2. 3-inch gun M5
3. 3-inch gun M1903
4. QF 3.7-inch AA gun
5. QF 3-inch 20 cwt
6. 3-inch M1902 field gun
7. 3-inch/50-caliber gun
8. 3-inch anti-aircraft gun M3
9. M10 tank destroyer
10. List of specialist Churchill tank variants
11. 3-inch/23-caliber gun
12. 3.2-inch gun M1897
13. 3-inch M1917
14. QF 4.5-inch Mk I – V naval gun
15. 5-inch/54-caliber Mark 45 gun
16. 14-inch/45-caliber gun
17. 75 mm gun M1916
18. BL 13.5-inch Mk V naval gun
19. BL 15-inch Mk I naval gun
20. 76 mm gun M1