[
  { 
    "type": "item_group",
    "id": "military",
    "subtype": "distribution",
    "entries": [
      { "item": "hk_ucp", "prob": 2 },
      { "item": "hk_mp7", "prob": 5 },
      { "item": "46mm", "prob": 7 }
    ]
  },
  {
    "type": "item_group",
    "id": "military_standard_sniper_rifles",
    "subtype": "distribution",
    "entries": [
      { "item": "hk_msg90a2", "prob": 10, "charges": [ 0, 20] }
    ]
  }
]