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Land ForcesRussia

2S7 Pion (M1975)

203mm self-propelled gunFielded 1975Pending verification
Land ForcesRUS
2S7 Pion (M1975)
Photo: Mike1979 Russia · CC BY-SA 4.0, Wikimedia Commons
Fact cardConfidence · Source
System
Type203mm self-propelled gun
Date of introduction1975
ProliferationAt least 9 countries
ManufacturerKirov Factory, St. Petersburg, Russia (chassis) Barrikady Plant, Volgograd, Russia (gun and mount)Med[1]
Crew7Med[1]
Emplacement time5-6 minMed[1]
Displacement time3-5 minMed[1]
Dimensions and weight
Width3.38 m11 ftMed[1]
Height3 m10 ftMed[1]
Combat weight46.5 tMed[1]
Automotive performance
ChassisObiekt 216Med[1]
EngineModel V-46-IMed[1]
Engine power840 hpMed[1]
TransmissionManualMed[1]
Cruising range500 km311 mi · 270 nmiMed[1]
Max road speed51 km/h32 mph · 28 ktMed[1]
Fording depth1.2 mMed[1]
Protection
Hull ArmorAll-welded steel armor (10mm thickness), which provides protection against small arms fire and shell splinters.Med[1]
NBC ProtectionYes, The vehicle also includes an NBC protection system as well as anti-radiation linings that reduce the effects of radiation by three times.Med[1]
Armament
Rate of fire (max)1.5 rds/minMed[1]
Max elevation+60 degMed[1]
Min elevation-0 degMed[1]
LoaderLoad Assisting SystemMed[1]
Main armament1 x 2A44, 203mm Cannon, 203 mmMed[1]
Maximum firing range47.5 km30 mi · 26 nmiLongest-range ammunition listedMed[1]
Fire control
Thermal Sight GunnerYesMed[1]
Main Gun StabilizationYes, a large recoil spade lowered to the ground, provides stability at all angles and charges.Med[1]
Variants
2S7 PionThe 2S7 Pion is the original variant of the 2S7 family, it was originally designed to be capable of delivering a small nuclear payload against NATO forces. Its primary role on a modern battlespace is that of long-range f[1]
2S7M MalkaAn improved variant, which entered service in 1983, improved the gun's fire control systems, increased the rate of fire from 1.5 to 2.5 rds/min to 2.5 rounds per minute, and increased the ammunition load to eight project[1]
BTM-4 Trench DiggerINA[1]
Weapons and payload options · 2Confidence · Source
HE FRAG203 mm ammunition
Med[1]
Range
37.5 km23 mi · 20 nmi
Quantity
8 ea
Muzzle velocity
960 m/s
Projectile weight
110 kg
RAP203 mm ammunition
Med[1]
Range
47.5 km30 mi · 26 nmi
Quantity
8 ea
Muzzle velocity
INA
Projectile weight
103 kg
Summary

The 2S7 Pion ("peony") or Malka is a Soviet self-propelled 203mm heavy artillery. "2S7" is its GRAU designation. It was identified for the first time in 1975 in the Soviet Army and so was called M-1975 by NATO (the 2S4 Tyulpan also received the M-1975 designation), whereas its official designation is SO-203 (2S7).

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
AngolaAzerbaijanBelarusGeorgiaRussiaSlovakiaUkraineUzbekistan
Sources
  1. 2S7 Pion (M1975) Russian 203mm Self-Propelled Gun (SPG), U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (CC BY-SA 4.0)