{
  "snapshot": "niem-5-2",
  "source": "NIEM 5.2",
  "result": {
    "entry_slug": "cal-12-2831250b07",
    "code": "12",
    "label": "12.5 MM IS METRIC FOR .50-CALIBER BROWNING MACHINE GUN ROUND; ALSO USED FOR 12 GAUGE SHOTGUN",
    "set_slug": "CAL",
    "set_name": "3 - Gun Caliber (CAL) Field Codes",
    "category_name": "Firearms"
  }
}