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The Alqatat Gunsmiths 40mm Gun Series is a series of light anti-aircraft guns and autocannons build by Alqatat Gunsmiths for the Sultan's Navy, the Armies of the Five Deserts and export customers. Unlike with the Alqatat Gunsmiths 20mm Gun Series, all guns of this series use the same shell, the 40x160mm shell.

The 40mm Gun Series is not related to Ceantar's Ceantar C-44 40mm AA Gun and its derivates.

Design

Versions

Mark I

- single mount

- scaled up version of preceeding 37mm canons, many problems, scrapped by 1940

Mark II

- single mount

- better, but not ideal

- used on SPAAGs

Mark III

- Mark II or Mark VI on double mount, with follow the pointer control and remote power control

Mark IV

- Mark II or Mark VI on quad-mount, with Gyro Rate Unit and later 50cm-radar on the battery

Mark V

- Mark II or Mark VI on octo-mount, with Gyro Rate Unit and later 50cm-radar on the battery

Mark VI

- improved cannon

- used on SPAAGs

Mark VII

- remote controlled turret

Mark VIII

- CIWS turret

Mark IX

- CIWS Turret with two barrels

Ammunition: 40x160mm shell

Designation Type Introduction Weight Effective Firing Range Muzzle Velocity Phased out
High Explosive 1925 1 kg 1,000 m 590 m/s Phased out 1960
Armour Piercing 1926 1.1 kg 750 m 600 m/s Phased out 1980
High Explosive 1956 0.9 kg 1,250 m 650 m/s In reserves since 2000
High Explosive 1999 0.75 kg 1,500 m 650 m/s In service
Amour Piercing 1976 1.1 kg 1,300 m 650 m/s In service
Armour Piercing, rocket assited 2003 1.56 kg 2,000 m Mach 1 In service
Tracer 1938 0.8 kg 1,450 m 600 m/s Phased out 1965
Variable Time 1979 1.1 kg 1,250 m 650 m/s In service
Tracer 1962 0.75 kg 2,000 m 650 m/s In service

Users

History

- originally developed in 1925 to counter the rising need for light AA-guns on Kyrenaian vessels to counter planes and small boats of rebelling territories (Decolonization Wars (1923-1965)).

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