{
  "id": "rk-55",
  "name": "RK-55 (SSC-X-4 'Slingshot')",
  "aliases": [
    "3M10",
    "Granat",
    "3K10",
    "SS-CX-7/SS-CX-8"
  ],
  "domain": "missile",
  "country": "RUS",
  "category": "Long-range cruise missile",
  "status": null,
  "fielded": 1984,
  "operators": [
    "RUS",
    "BLR",
    "CHN",
    "IND",
    "IRN",
    "PAK",
    "PRK",
    "UKR"
  ],
  "prolif_count": 7,
  "summary": "The RK-55 (SSC-X-4 'Slingshot') Russian Long-Range Cruise Missile is the ground-launched component of the “55” series of cruise missiles which also included the Kh-55 air-launched missile. This family of cruise missiles was the Soviet Union’s response to the U.S. Tomahawk series.",
  "specs": [
    {
      "k": "",
      "label": "Basing",
      "section": "system",
      "v": "Submarine-launched, Ground launched from a TEL*",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "range_max_km",
      "v": 2400,
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium",
      "note": "2,400 km (submarine launch), 3,000 (ground launch)*"
    },
    {
      "k": "",
      "label": "Accuracy (CEP)",
      "section": "system",
      "v": "150 m",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 8.09,
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "launch_weight_kg",
      "v": 1700,
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "diameter_m",
      "v": 0.51,
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fin span",
      "section": "dims",
      "v": "3.1 m",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Propulsion",
      "section": "mobility",
      "v": "R95-300 Turbofan; Solid",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_kmh",
      "v": 720,
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Guidance",
      "section": "firecontrol",
      "v": "Sprut inertial guidance plus TERCOM",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Warhead options",
      "section": "armament",
      "v": "Single; Conventional and Nuclear; HE",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Nuclear yield",
      "section": "armament",
      "v": "200 kT",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Conventional warhead weight",
      "section": "armament",
      "v": "410 kg",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Payload: warhead type",
      "section": "armament",
      "v": "Single",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Payload: warhead options",
      "section": "armament",
      "v": "Conventional and Nuclear",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Payload: nuclear yield",
      "section": "armament",
      "v": "200 kT",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Payload: conventional warhead weight",
      "section": "armament",
      "v": "410 kg",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Payload: conventional warheads available",
      "section": "armament",
      "v": "HE",
      "src": [
        "weg-rk-55"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [],
  "variants": [
    {
      "name": "Kh-55 (AS-15 'Kent')",
      "text": "Air launched version",
      "src": [
        "weg-rk-55"
      ]
    },
    {
      "name": "Kh-65",
      "text": "A tactical modification of the strategic Kh-55. According to the first available information (1992 Moscow Air Show), its range was to be 500-600km.",
      "src": [
        "weg-rk-55"
      ]
    },
    {
      "name": "S-10 Granat (SS-N-21 'Sampson')",
      "text": "Submarine launched version.",
      "src": [
        "weg-rk-55"
      ]
    }
  ],
  "art": "cruise",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    }
  ],
  "url": "https://www.defensepedia.com/systems/rk-55.html",
  "sources": {
    "weg-rk-55": {
      "title": "RK-55 (SSC-X-4 'Slingshot') Russian Long-Range Cruise Missile",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/RK-55_SSC-X-4_Slingshot_Russian_Long-Range_Cruise_Missile",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}