Oerlikon 20mm 85 KAA gun system GAM-BO1 Royal Navy

Surface Vessel Weapon System
Oerlikon 20mm/85 KAA gun system
on GAM-BO1 mounting

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 07

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Gun: Oerlikon 20mm/85 KAA
Mounting: GAM-BO1
Caliber: 20 mm
Barrel lenght: 1700 mm (67 inches)
Cartridge: 20x128 mm
Lenght of complete round: 20.3 cm (8 inches)
Rate of fire: 900-1000 rpm
Muzzle velocity: 1050 m/s (3440 ft/s)
Action: API blowback
Elevation: -10° / +55°
Train: 360°
Gun weight: 92 kg (203 lbs) without ammo / 182 kg (401 lbs) with 200 round belt
Mount weight: 454 kg (1000 lbs)
Maximal range: effective surface 2000 m (2200 yards) / effective - aircraft 1500 m (1650 yards) / maximum 6800 m (7450 yards)
Feed system: 200 rounds on belt

In Royal Navy use:
Albion class LPD
River class OPV, Batch 1
A 135 RFA Argus
Echo class Survey Vessel

images

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 13

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 10

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 05

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 11

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 12

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 14

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 15

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 06

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 02

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 03

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 09

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 04

oerlikon 20mm/85 kaa machine gun system autocannon gam-bo1 royal navy 08

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