{
  "id": "2s7-pion",
  "name": "2S7 Pion (M1975)",
  "aliases": [],
  "domain": "land",
  "country": "RUS",
  "category": "203mm self-propelled gun",
  "status": null,
  "fielded": 1975,
  "operators": [
    "AGO",
    "AZE",
    "BLR",
    "GEO",
    "RUS",
    "SVK",
    "UKR",
    "UZB"
  ],
  "prolif_count": 9,
  "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).",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Kirov Factory, St. Petersburg, Russia (chassis) Barrikady Plant, Volgograd, Russia (gun and mount)",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 7,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "Obiekt 216",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Emplacement time",
      "section": "system",
      "v": "5-6 min",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement time",
      "section": "system",
      "v": "3-5 min",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 3.38,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 3,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "combat_weight_t",
      "v": 46.5,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_name",
      "v": "Model V-46-I",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "engine_hp",
      "v": 840,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Transmission",
      "section": "mobility",
      "v": "Manual",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "road_range_km",
      "v": 500,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_road_kmh",
      "v": 51,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fording depth",
      "section": "mobility",
      "v": "1.2 m",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rate of fire (max)",
      "section": "armament",
      "v": "1.5 rds/min",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Max elevation",
      "section": "armament",
      "v": "+60 deg",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Min elevation",
      "section": "armament",
      "v": "-0 deg",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Loader",
      "section": "armament",
      "v": "Load Assisting System",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thermal Sight Gunner",
      "section": "firecontrol",
      "v": "Yes",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Main Gun Stabilization",
      "section": "firecontrol",
      "v": "Yes, a large recoil spade lowered to the ground, provides stability at all angles and charges.",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hull Armor",
      "section": "protection",
      "v": "All-welded steel armor (10mm thickness), which provides protection against small arms fire and shell splinters.",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Protection",
      "section": "protection",
      "v": "Yes, The vehicle also includes an NBC protection system as well as anti-radiation linings that reduce the effects of radiation by three times.",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "main_armament",
      "v": "1 x 2A44, 203mm Cannon, 203 mm",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium"
    },
    {
      "k": "range_max_km",
      "v": 47.5,
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium",
      "label": "Maximum firing range",
      "note": "Longest-range ammunition listed"
    }
  ],
  "payloads": [
    {
      "name": "HE FRAG",
      "role": "203 mm ammunition",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium",
      "caps": {
        "Muzzle velocity": "960 m/s",
        "Projectile weight": "110 kg"
      },
      "range_km": 37.5,
      "qty": "8 ea"
    },
    {
      "name": "RAP",
      "role": "203 mm ammunition",
      "src": [
        "weg-2s7-pion"
      ],
      "conf": "medium",
      "caps": {
        "Muzzle velocity": "INA",
        "Projectile weight": "103 kg"
      },
      "range_km": 47.5,
      "qty": "8 ea"
    }
  ],
  "variants": [
    {
      "name": "2S7 Pion",
      "text": "The 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",
      "src": [
        "weg-2s7-pion"
      ]
    },
    {
      "name": "2S7M Malka",
      "text": "An 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",
      "src": [
        "weg-2s7-pion"
      ]
    },
    {
      "name": "BTM-4 Trench Digger",
      "text": "INA",
      "src": [
        "weg-2s7-pion"
      ]
    }
  ],
  "art": "sph",
  "image": {
    "file": "2s7-pion.jpg",
    "thumb": "2s7-pion-thumb.jpg",
    "credit": "Mike1979 Russia",
    "license": "CC BY-SA 4.0",
    "url": "https://commons.wikimedia.org/wiki/File:2S7_Pion_Army-2022_2022-08-20_2394.jpg",
    "title": "File:2S7 Pion Army-2022 2022-08-20 2394.jpg"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    },
    {
      "date": "2026-10-10",
      "change": "Added photo (CC BY-SA 4.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/2s7-pion.html",
  "sources": {
    "weg-2s7-pion": {
      "title": "2S7 Pion (M1975) Russian 203mm Self-Propelled Gun (SPG)",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/2S7_Pion_M1975_Russian_203mm_Self-Propelled_Gun",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}