What gun uses a 20mm?
Current weapons
| Weapon | Country of origin | Cartridge |
|---|---|---|
| Vidhwansak | India | 20×82 mm Mauser |
| Anzio 20 mm rifle | United States | 20×102 mm |
| M61 Vulcan | United States | |
| M197 electric cannon | United States |
What was the 20mm gun originally used for?
The 20mm guns could fire at a maximum range of 14,400 feet (2.73 miles) at a 35° angle. The 20mm requires no external power to operate. They were standard short-range weapons during World War II, used primarily in surface-to-air combat, but also for engaging smaller water craft and for destroying floating mines.
How heavy is a 20mm bullet?
20-Millimeter. Twenty-millimeter ammunition is the ammo used on the M197 automatic gun. The rounds are electrically primed; chamber pressure varies from 60,500 to 61,500 psi. Projectile weight of the M56 HEI round is 1,543 grains (3.5 ounces); other 20-mm projectiles are of comparable weight.
Who makes the Cannone Mitragliera da 20/77?
Swiss manufacturer, Oerlikon handled initial manufacturing of the Cannone-Mitragliera da 20/77. The cannon had many similarities to the famous 20 mm Oerlikon, which is still used in service around the world. Compared to the Oerlikon gun, the Scotti initially shared its 60 round drum but was overall a simpler design.
Was the Oerlikon 20mm anti-aircraft gun used in the Royal Navy?
Initially the Oerlikon was not looked upon favorably by the Royal Navy as a short-range anti-aircraft gun. In 1937–1938 Lord Louis Mountbatten, then a captain in the Royal Navy, advocated within the Royal Navy to set up an unprejudiced trial for the Oerlikon 20 mm gun, but was unsuccessful.
What is the muzzle velocity of an Oerlikon 20x110RB?
In 1927 the Oerlikon S was added to the existing product line. This fired a still larger cartridge (20x110RB) to achieve a muzzle velocity of 830 m/s (versus 490 m/s for the original Becker 20x70RB gun), at the cost of increased weight and a reduced rate of fire (280 rpm).
Where are Oerlikon guns made?
Just a few weeks before the Fall of France, the Oerlikon factory approved manufacture of their gun in the United Kingdom, under licence. The Royal Navy managed to smuggle out the necessary drawings and documents from Zürich. The production of the first British-made Oerlikon guns started in Ruislip, London, at the end of 1940.