Sprut anti-tank gun

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2A45M Sprut-B (Octopus) is the designation of the Soviet Smoothbore 125 mm anti-tank gun.

1 Development
2 Description (Sprut-B)
3 General characteristics (Sprut-B)
4 Ammunition
5 Models
6 Users
7 External links
8 References

[edit] Development

The 2A45M was created in the late 1980s at the Petrov Design Bureau at Artillery Plant Number 9 also responsible for the 2A18 / D-30 howitzer.

[edit] Description (Sprut-B)

The most unique feature of the Sprut-B is its APU, which can propel the gun on relatively flat surfaces (up to 15 degrees slope) and at 14km/h on roads. This gives the gun a measure of mobility on the battle field - although it takes 2 minutes to go from firing position to travelling position and 1.5 minutes to go from travelling position to firing position.

The gun features a crew of seven. During the day the OP4M-48A direct fire sight is used, at night the 1PN53-1 night vision sight is used. For indirect fire the 2Ts33 iron sights are used, along with the PG-1m panoramic sight. The gun can reliably engage targets 2m high at a distance of 2000m [1].

The barrel features a thermal sleeve to prevent temperature changes affecting the accuracy. The gun uses the same split ammunition as the T-64,T-72,T-80 and T-90 tanks.

With an additional piece of equipment of the 9S53, laser guided projectiles like the Svir or 9K120 Reflecks can be fired.

[edit] General characteristics (Sprut-B)

Length: 7120 mm
Width: 2660 mm
Height: 2090 mm
Combat weight: 6500 kg
Towing vehicle: Ural-4320 or MT-LBu
Road Tow Speed: 80 km/h
Cross Country Tow Speed:
Traverse: 360
Elevation: + 25 / -6
Gun: 125mm Smoothbore
Maximum rate of fire: 6-8 rounds per minute
Sustained rate of fire: 100 rounds per hour

[edit] Ammunition

The gun uses the same ammunition as the D-81 series of guns used on the T-64, T-72, T-80 and T-90 tanks.

See 125mm Smoothbore Rounds for details.

[edit] Models

Sprut-A 2A45 Pure towed gun.
Sprut-B 2A45M Self propelled towed gun.
Sprut-SD 2S25 A self propelled gun mounted on the BMD-3 chassis with a turret mounting the stabilised 2A75 125mm smoothbore gun [2].