20x102 mm AP round
A 20 mm x 102 round with a brass cartridge case, electrical gun primer, propellant charge and an armour-piercing projectile, for the M621, M61A, M39 and M197 guns.
Also written: 20x102
Enlarge 20x102 mm AP round
Specification
| Calibre | 20 mm |
|---|---|
| Muzzle velocity | 1000±15 m/s |
| Maximum pressure of powder gases | 430 MPa |
| Round mass | 265 g |
| Projectile mass | 102.5±1.7 g |
| Operating temperature | -30 to +50 °C |
| Guns | M621, M61A, M39, M197 |
All data provided for information purposes; final specification is defined per contract. Full technical data sheets are issued on request against a stated end-user.