{
  "url": "https://openlegislation.uk/gun-barrel-proof-act-1950/schedule-n2/schedule/part-I",
  "json_url": "https://openlegislation.uk/gun-barrel-proof-act-1950/schedule-n2/schedule/part-I.json",
  "legislation": "ukla/Geo6/14/3",
  "legislation_title": "Gun Barrel Proof Act 1950",
  "legislation_url": "https://openlegislation.uk/gun-barrel-proof-act-1950",
  "path": "schedule/n2/schedule/part/I",
  "kind": "part",
  "number": "I",
  "heading": "Arms of the First, Second and Third Classes",
  "text": "(see Notes A and B below)\nArms of the First Class\nMaximum price per barrel\nNominal Bore\nProvisional Proof\nDefinitive Proof\nSpecial Definitive Proof\n4...........................\n£8·70\n£8·70\n£13·5\n8...........................\n£5·55\n£6·60\n£9·90\nSmaller than 8.........\n£3·30\n£6·60\n£9·90\nArms of the Second and Third Classes\n(see Notes A, B, D, below)\nMaximum price per barrel\nThird Class\nNominal Calibre (in inches)\nSecond Class\nRevolvers See Note C below\nOtherArms\nOver . 449...............\n£5·70\n£5·40\n£3·15\n·449 –370.................\n£4·35\n£4·70\n£2·25\n·369–310.................\n£3·30\n£3·85\n£1·95\n·309–230\n£3·30\n£3·30\n£1·95\n·229 or smaller diameter...........\n£3·15\n£2·80\n£1·95\nCertain Arms of the Fourth Class\n(see Notes A and B below)\nMaximumprice\nCattle killers—\nperbarrel\n·310 bulleted....................................................\n£2·25\n·220 and captive bolt..........................................\n£1·65\nSignal pistols and alarm guns:\n1 inch diameter or less........................................\n£2·25\n1½ inch diameter or more....................................\n£3·30",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukla/Geo6/14/3/schedule/n2/schedule/part/I",
    "retrieved_at": "2026-10-29T15:22:56.990432+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}