20mm_Automatpjas_m40-73

20 mm Automatpjäs m/40-73

20 mm Automatpjäs m/40-73

 

Picture 1: HMS Hojskär

 

The automatic piece was used against air targets and sea targets.

 

The piece had a rotating magazine of 36 cartridges, which allowed for a high rate of fire.

 

The piece type equipped the coastal artillery patrol boats type 60 and 70.

 

This example comes from KA 3 patrol boat 70, HMS Hojskär.

 

The play has been on several of the fleet's ships (torpedo boats, submarines, minesweepers, destroyers, etc.).

 

The mobile version was named field automatic piece m/40 and was used in ground defense both against air targets and combat vehicles.

 

Used in all artillery units within the coastal artillery for protection against helicopters.

 

Picture 2: Field automatic piece

 

Picture 3: Store

 

Caliber:                         20 mm

Range                          1500 m

Rate of fire:                   370 shots/minute

Magazine:                     25 cartridges

Lateral field:                  360 degrees

Vertical field:                 -5 to +85 degrees

Aim:                              Weibull reflex sight 308

 

20 mm automatic piece were included in war organization from 1940 until the closure of Gotland's Coastal Artillery Regiment KA 3 in 2000.