20mm GUN

20mm GUN

20 mm caliber weapons are typically used against large targets such as Buildings,Moving vehicles  and aircrafts.It is the smallest caliber ,which is a auto cannon but not a heavy machine.

20mm caliber has an inside barrel diameter of 0.8 inch(20 mm) and they are commonly 75-100 mm long.

They may or may not have explosive filling and detonating fuse.

They are available in the form of 

• High explosive
• High explosive incendiary
• Armour piercing
• Armour piercing incendiary
• Target practice tracer