What guns are 20mm?
20 mm weapons
- Vidhwansak: 20×82mm.
- Anzio 20mm rifle: 20x102mm.
- RT-20 bolt-action rifle: 20×110mm.
- Denel NTW-20: 20×82mm Mauser or 20×110mm Hispano caliber.
- M61 Vulcan: 20×102mm (PGU-28/B)
- M197 Gatling gun: 20×102mm.
- M39 cannon: 20×102mm.
- GIAT M621: 20×102mm.
What gun shoots a 20mm bullet?
M61 Vulcan
The M61 Vulcan is a hydraulically, electrically or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate (typically 6,000 rounds per minute).
What is 20mm used for?
Usage. Like most cannon ammunition, armed forces typically use 20 mm caliber weapons against large targets, such as vehicles, buildings, or aircraft. Though lethal against individual soldiers, 20mm ammunition is so large and heavy that its effects are inefficient against relatively small targets.
What was the 20 mm Oerlikon AA weapon used for?
Widely used by many nations, this 20 mm automatic weapon originally designed by the Swiss firm of Oerlikon was probably produced in higher numbers than any other AA weapon of World War II. In 1937 the British Admiralty initiated tests to find a weapon suitable for arming merchant ships and minor warships against close range air attacks.
Who was the creator of the 20 mm cannon?
In 1917/18 the German engineer Reinhold Becker designed the 20 x 80mm round that fired using a “primer ignition” utilized in a in a very large blow back operated machine gun. They were only manufactured in very limited numbers before the war ended, and the design was almost completely forgotten.
Why do we need Bofors 40 Mk4 naval gun?
Bofors 40 Mk4 Naval Gun. Today’s naval assets need to swiftly adapt to an unprecedented range of roles and scenarios. When survival hangs on a matter of seconds, they must be equipped with agile, flexible weapon systems that enable a lightning-quick response. Modern ships must be able to operate in different levels of conflict;
How big is the barrel of a 20mm cannon?
20mm ‘Oks’ coming down the works at the Hudson Motor Company, 1942. 7-inch long, half-pound round used a 400-grain charge of IMR 4831 smokeless powder to propel a 2,000-grain projectile at 2,800 feet (850 meters) per second through a 55-inch long 9-groove barrel.