[
  {
    "id": "usp_45",
    "copy-from": "usp_9mm",
    "type": "GUN",
    "name": { "str": "H&K USP .45" },
    "weight": "789 g",
    "ammo": "45",
    "built_in_mods": [ "match_trigger" ],
    "magazines": [ [ "45", [ "usp45mag" ] ] ]
}
]