Get the variant family tree

Example response

{
  "success": true,
  "data": {
    "ancestors": [
      {
        "id": "type-58",
        "name": "Type 58",
        "manufacturerId": "north-korean-state-arsenals",
        "categoryId": "assault-rifle",
        "parentFirearmId": "ak-47",
        "variantType": "foreign_production",
        "yearIntroduced": 1958,
        "countryOfOrigin": "KP",
        "svgLineArtUrl": "https://api.gunspec.io/v1/firearms/type-58/media/silhouette",
        "updatedAt": "2026-09-10 06:42:19",
        "version": "a3f1c2d4e5b6a7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2"
      }
    ],
    "current": {
      "svgLineArtUrl": "https://api.gunspec.io/v1/firearms/glock-g17-gen5/media/silhouette",
      "defaultAmmoId": "m882",
      "sourceMuzzleVelocityMps": 375,
      "sourceMuzzleEnergyJ": 565,
      "sourceEffectiveRangeM": 50,
      "sourceMaxRangeM": 1800,
      "ballisticsSource": "Manufacturer specification sheet",
      "ballisticsSourceUrl": "https://eu.glock.com/en/pistols/g17",
      "id": "glock-g17-gen5",
      "name": "Glock 17 Gen5",
      "manufacturerId": "glock",
      "categoryId": "pistol",
      "parentFirearmId": "glock-17",
      "variantType": "generation",
      "yearIntroduced": 2017,
      "countryOfOrigin": "AT",
      "weightEmptyG": 625,
      "weightLoadedG": 905,
      "overallLengthMm": 204,
      "barrelLengthMm": 114,
      "heightMm": 139,
      "widthMm": 34,
      "sightRadiusMm": 165,
      "actionType": "short_recoil",
      "firingMechanism": "striker-fired",
      "triggerType": "safe-action",
      "triggerPullN": 28,
      "magazineCapacity": 17,
      "magazineType": "detachable-box",
      "muzzleVelocityMps": 375,
      "muzzleEnergyJ": 570,
      "effectiveRangeM": 50,
      "barrelRifling": "polygonal",
      "riflingTwistMm": 250,
      "frameMaterial": "polymer",
      "slideMaterial": "steel",
      "barrelMaterial": "steel",
      "finish": "nDLC",
      "safetyMechanisms": [
        "manual_safety_selector",
        "half_cock_notch"
      ],
      "features": [
        "collapsible_stock",
        "accessory_rail"
      ],
      "feedSystems": [
        "detachable_box_magazine"
      ],
      "designer": "Mikhail Kalashnikov",
      "foldedLengthMm": 490,
      "alternateNames": [
        "Avtomat Kalashnikova",
        "Type 56",
        "Kalash"
      ],
      "firingModes": [
        "semi_automatic",
        "full_automatic"
      ],
      "conflicts": [
        {
          "name": "Vietnam War",
          "years": "1955-1975",
          "sides": [
            "North Vietnam / Viet Cong",
            "South Vietnam / United States"
          ]
        }
      ],
      "productionNumbers": {
        "estimated_total": 75000000,
        "production_years": "1947-1975",
        "notes": "Approximately 75 million AK-47 type rifles produced."
      },
      "lore": "The AK-47 is so iconic it appears on the national flag of Mozambique.",
      "verifiedAt": "2026-09-25",
      "verifiedFields": [
        "barrel_length_mm",
        "weight_empty_g"
      ],
      "dataConfidence": 0.95,
      "createdAt": "2025-01-15 12:00:00",
      "updatedAt": "2026-09-10 06:42:19",
      "version": "a3f1c2d4e5b6a7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2",
      "provenance": {
        "sources": [
          "https://www.glock.com/en/products/pistols/g17-gen5"
        ],
        "sourceKinds": [
          {
            "url": "https://www.glock.com/en/products/pistols/g17-gen5",
            "kind": "manufacturer",
            "archivedFrom": null,
            "rank": 0,
            "tier": "authority",
            "basis": "declared",
            "evidence": null
          }
        ],
        "makerSource": "https://www.glock.com/en/products/pistols/g17-gen5",
        "evidence": "maker",
        "checks": {
          "raised": 3,
          "history": [
            {
              "task": "verify:firearms:glock-g17-gen5",
              "number": 1204,
              "check": "quality:firearm-weight-fits-its-size",
              "kind": "verify",
              "agent": "redback",
              "worker": "redback-046535",
              "status": "resolved",
              "decidedAt": "2026-09-25 07:42:39",
              "proposed": "Read https://us.glock.com/en/pistols/g17-gen5: agrees on barrel_length, weight.",
              "fields": [
                "barrel_length_mm",
                "weight_empty_g"
              ],
              "sources": [
                "https://us.glock.com/en/pistols/g17-gen5"
              ],
              "finding": {
                "why": "2.22 g/cm3 against a submachine-gun / carbon-steel median of 0.64; check the weight and the dimensions",
                "evidence": {
                  "apparentDensity": 2.218,
                  "categoryMedian": 0.635
                }
              }
            }
          ]
        },
        "dataConfidence": 0.95,
        "verifiedAt": "2026-09-08",
        "verifiedFields": [
          "barrel_length_mm",
          "weight_empty_g"
        ],
        "updatedAt": "2026-09-08 04:10:22",
        "version": "ba5c1d9e06c279a5"
      }
    },
    "descendants": [
      {
        "id": "type-58",
        "name": "Type 58",
        "manufacturerId": "north-korean-state-arsenals",
        "categoryId": "assault-rifle",
        "parentFirearmId": "ak-47",
        "variantType": "foreign_production",
        "yearIntroduced": 1958,
        "countryOfOrigin": "KP",
        "svgLineArtUrl": "https://api.gunspec.io/v1/firearms/type-58/media/silhouette",
        "updatedAt": "2026-09-10 06:42:19",
        "version": "a3f1c2d4e5b6a7c8d9e0f1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2"
      }
    ]
  }
}