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57mm AK-725



Overview

57mm AK-725

Forward view of AK-725 naval gun turret.
Source: www.flot.sevastopol.info - © copyright lies with original owner

Origin
Soviet Union
Type
Naval gun
Entered service
1964
Status
In service
Development
1956 - 1963 (design project
1959 - 1960 (state trials)
Developer
Soviet Union - TsKB-7
Production
1961 - 1988
Producer
Soviet Union
Designations
ZIF-72 (industry index for mount)
ZIF-74 (industry index for ordnance)
Notable users
Soviet Union

Details

Facts AK-725
General
Origin
Soviet Union
Type
Naval dual purpose gun
Ordnance
Type
2x 57mm ZIF-74 water-cooled gun
Barrel length
4.275 m
Rate of fire
200 rpm combined
Burst length
Up to 100 rounds
Range
12.7 km theoretical
8.4 km practical
7 km AA self-destruct fuze range
5 km AA altitude
Muzzle velocity
1.020 m/s
Recoil
30 to 37 cm
Barrel life
Over 750 rounds
Mount
Feed mechanism
Single belt per gun
Ammunition
2x 550 round belt
Traverse
-200° to +200°
Traverse rate
35°/s
Elevation
-12° to +85°
Elevation rate
30°/s
Operation
Crew
None on mount
2 loaders below deck
Fire control
MR-103 Bars fire control radar
ESP-72 fire control system
TV camera as back-up
Dimensions
Weight
14.5 t total system without ammunition
3.825 kg turret only
Radius
4.49 m from center
Height
2.41 m above deck
Turret ring
2.89 m

Media