{
  "apiVersion": 1,
  "kind": "work-order",
  "purpose": "Taking the firearm apart for a job such as refinishing, and putting it back together to specification.",
  "firearm": {
    "slug": "arisaka-type-99",
    "name": "Arisaka Type 99",
    "manufacturer": {
      "id": "koishikawa",
      "name": "Koishikawa / Kokura Arsenal"
    },
    "category": "rifle",
    "action": "bolt-action",
    "calibers": [
      "7.7x58mm Arisaka"
    ],
    "alsoKnownAs": [
      "Type 99 short rifle",
      "Arisaka 7.7mm"
    ],
    "coversAlso": [
      "Arisaka Type 38 in 6.5x50mm (same action family, different cartridge)",
      "Late-war Type 99 \"last ditch\" rifles — with caution"
    ],
    "page": "firearms/arisaka-type-99.html",
    "bundle": "api/v1/firearms/arisaka-type-99.json",
    "lastUpdated": "2026-10-29"
  },
  "notices": [
    "This work order is written for the Arisaka Type 99. It is reported to cover Arisaka Type 38 in 6.5x50mm (same action family, different cartridge); Late-war Type 99 \"last ditch\" rifles — with caution — if the firearm on the bench is one of those, check the torque notes: values do not always carry over.",
    "No torque values are recorded for this firearm. Get them from the manufacturer or a gunsmith; do not estimate."
  ],
  "disclaimer": {
    "headline": "Read this before you use anything here.",
    "points": [
      "This is a guide, not an authority. Entries are compiled from manufacturer manuals, technical manuals, published references, and community knowledge. Some of it comes from sources that are not authoritative, and some of it may simply be wrong.",
      "Always consult the manufacturer's manual for your specific firearm and serial-number range. Manufacturers change designs mid-production without renaming the model. The manual that shipped with your firearm outranks anything on this site.",
      "Consult a licensed gunsmith for anything beyond routine field stripping and cleaning, for any firearm you are unsure about, and for any procedure marked as gunsmith-recommended here.",
      "Treat every firearm as loaded. Verify it is unloaded, with the magazine removed and the chamber physically and visually checked, before any procedure in this database. Point it in a safe direction the entire time.",
      "Disassembly can damage a firearm or injure you. Springs are under tension, parts can launch, and reassembling a firearm incorrectly can make it unsafe to fire in a way that is not obvious from the outside. If a reassembled firearm does not pass a function check, stop and see a gunsmith.",
      "Torque values are shown in two groups. Values from the manufacturer or the issuing military are shown as such, with the document they came from. Values reported by anyone else — parts makers, gunsmithing publishers, articles, forums — are shown separately with who said them, how reliable that source is, and their exact words. Those are not specifications. Confirm any torque value with the manufacturer or a licensed gunsmith before relying on it.",
      "Nothing here is legal advice. Firearms law varies by country, state, and city, and some modifications or configurations are regulated or prohibited. You are responsible for knowing and following the law where you are.",
      "No warranty of any kind. Contributors and maintainers accept no liability for damage, injury, or loss arising from use of this material."
    ],
    "page": "disclaimer.html",
    "legal": {
      "summary": "Legal notice: this material is third-party information compiled from sources of varying reliability and is provided for general informational and educational purposes only. It is not gunsmithing, technical, safety or legal advice, it is not verified or endorsed by any manufacturer, and it must not be taken as fact. Any work on a firearm beyond the routine field stripping described in its own owner's manual should be performed only by a licensed and insured gunsmith. You use this material entirely at your own risk. Fundamental Build LLC and the project's contributors make no warranty of any kind and accept no liability for death, injury, damage or loss arising from its use. Full terms: LEGAL.md.",
      "page": "legal.html",
      "notice": "https://github.com/Fundamental-build-LLC/Pew-Takedown/blob/main/LEGAL.md"
    }
  },
  "sourcing": {
    "confidence": "medium",
    "verification": "community-reviewed"
  },
  "manufacturerDisassembly": {
    "status": "not-recorded",
    "limit": null,
    "statement": null,
    "source": null
  },
  "recalls": [],
  "shopTier": {
    "tier": 2,
    "group": "rifle",
    "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's",
    "reason": "A simple bolt action, but its bolt goes back together only if the safety knob is pressed against the mainspring and turned so the sear lug sits in the right notch. Fitted wrong into the 'snail' cut, it has to be pushed and turned back. The bands, hand guard and dust cover are routine. Ordnance reserved the further strip (bands, barrel, floor plate catch) for its own personnel.",
    "confidence": "medium",
    "partCount": null,
    "painPoints": [],
    "minutes": {
      "strip": 35,
      "rebuild": 50,
      "basis": "estimated",
      "note": "Estimate: bolt (safety knob, firing pin and spring, extractor and collar), dust cover, bolt stop/ejector, trigger/sear, floor plate and follower, bands, handguard, butt plate, sights. Rebuild longer for the safety-knob compression and the band/guard screw sequence.",
      "source": null
    },
    "stripScope": [
      {
        "assembly": "Bolt",
        "removes": [
          "safety knob",
          "firing pin and firing pin spring",
          "extractor and extractor collar",
          "bolt cover (dust cover)"
        ]
      },
      {
        "assembly": "Receiver",
        "removes": [
          "bolt retainer (bolt stop) and spring",
          "ejector",
          "trigger, sear and pins",
          "trigger guard and receiver screws"
        ],
        "tools": [
          "drift punch"
        ]
      },
      {
        "assembly": "Stock and furniture",
        "removes": [
          "floor plate, catch, follower and spring",
          "front upper band and plate",
          "lower band",
          "hand guard",
          "cleaning rod and catch",
          "butt plate",
          "sling swivels"
        ]
      }
    ],
    "hardware": null,
    "specialTools": [
      {
        "tool": "Gunsmith screwdrivers",
        "usedFor": "Guard/receiver screws and band screws"
      },
      {
        "tool": "Pin punches",
        "usedFor": "Trigger/sear pins and bolt retainer pin"
      }
    ],
    "fitOnRebuild": [
      {
        "check": "Guard and receiver screws tightened evenly",
        "why": "The manual warns the trigger guard and stock can be damaged if the screws are not run in evenly",
        "source": null
      },
      {
        "check": "Bolt reassembly check",
        "why": "The bolt is rechecked when it goes back in the receiver, and the cover catches must engage their grooves",
        "source": {
          "title": "Technical Manual for Rifle, U.S., Type 99, Japanese Cal. .30",
          "publisher": "U.S. Army (hosted by Forgotten Weapons)",
          "reliability": "primary",
          "url": "https://www.forgottenweapons.com/wp-content/uploads/manuals/US%20Arisaka%20manual.pdf",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "When the bolt is fitted into the receiver, the correctness of the bolt assembly is rechecked"
        }
      }
    ],
    "assessed": "2026-10-29"
  },
  "videos": [],
  "configurations": [],
  "tools": [
    {
      "name": "Bore guide",
      "required": true,
      "usedFor": "Cleaning from the breech without wearing the throat or the crown. On a surplus rifle the crown is often the difference between accuracy and none."
    }
  ],
  "phases": [
    {
      "id": "clear",
      "title": "Clear and make safe",
      "steps": [
        {
          "n": 1,
          "instruction": "Point the muzzle in a safe direction and keep your finger off the trigger."
        },
        {
          "n": 2,
          "instruction": "Press the safety cap at the rear of the bolt inward and rotate it to the safe position.",
          "tip": "Palm pressure and rotation, not a lever."
        },
        {
          "n": 3,
          "instruction": "Lift the bolt handle and draw the bolt fully rearward, ejecting any chambered round."
        },
        {
          "n": 4,
          "instruction": "Press the floorplate release and let the floorplate drop to release rounds from the magazine, or cycle the bolt repeatedly to feed and eject each round.",
          "partsFreed": [
            "Rounds in the magazine"
          ]
        },
        {
          "n": 5,
          "instruction": "Inspect the chamber and magazine well with a light and physically confirm the chamber is empty."
        },
        {
          "n": 6,
          "instruction": "Close the floorplate and remove all live ammunition from the work area."
        }
      ],
      "videos": []
    },
    {
      "id": "disassemble",
      "title": "Disassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "field-strip",
          "title": "Field Strip — Bolt Removal",
          "level": "field-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Complete the Clear and Make Safe procedure."
            },
            {
              "n": 2,
              "instruction": "Move the safety to the fire position."
            },
            {
              "n": 3,
              "instruction": "Lift the bolt handle and draw the bolt fully rearward."
            },
            {
              "n": 4,
              "instruction": "Operate the bolt stop on the left side of the receiver and withdraw the bolt rearward out of the action.",
              "partsFreed": [
                "Bolt assembly"
              ]
            },
            {
              "n": 5,
              "instruction": "Clean the bore from the breech using a bore guide, and clean the bolt face, lugs, and chamber.",
              "warning": "Always use a bore guide on a surplus rifle. Cleaning rod wear at the crown is a permanent accuracy loss and is very common on milsurp."
            },
            {
              "n": 6,
              "instruction": "Stop here for routine maintenance. Bolt disassembly is a separate procedure and is not part of normal cleaning."
            }
          ]
        }
      ]
    },
    {
      "id": "refinish",
      "title": "Refinish",
      "components": [
        {
          "name": "Bolt assembly",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 4
        }
      ],
      "manufacturerPartsList": null,
      "partsDiagrams": [],
      "materials": [],
      "note": "The components the procedures above separate. Coating, masking and cure are outside this database; follow your coating system's instructions. A part the manufacturer marks \"factory fit\" should not be swapped or reworked."
    },
    {
      "id": "reassemble",
      "title": "Reassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "reassembly",
          "title": "Reassembly",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Align the bolt with the receiver raceway, with the dust cover fitted if your rifle has one."
            },
            {
              "n": 2,
              "instruction": "Slide the bolt forward into the receiver and close the bolt handle."
            },
            {
              "n": 3,
              "instruction": "Cycle the bolt several times to confirm smooth travel and correct cocking."
            },
            {
              "n": 4,
              "instruction": "Perform the function check."
            }
          ],
          "instruction": null
        }
      ]
    },
    {
      "id": "torque",
      "title": "Torque",
      "coverage": "none-recorded",
      "manufacturer": [],
      "reported": [],
      "notes": null
    },
    {
      "id": "function-check",
      "title": "Function check",
      "checks": [
        "Verify the rifle is unloaded — chamber and magazine — before each check.",
        "Cycle the bolt and confirm it cocks and closes fully into battery.",
        "With the action cocked, engage the safety and press the trigger. The striker must not release.",
        "Disengage the safety without touching the trigger. The striker must not release.",
        "Press the trigger and confirm the striker releases with a firm snap.",
        "Load dummy rounds and confirm they feed and eject cleanly.",
        "If you have any doubt about the rifle’s history, have headspace gauged by a gunsmith before firing live ammunition.",
        "Confirm the bolt-cap safety engages and blocks the trigger when pressed in and rotated."
      ],
      "videos": []
    }
  ],
  "troubleshooting": [],
  "sources": [
    {
      "n": 1,
      "id": null,
      "title": "Japanese Infantry Weapons (TM-E 30-480)",
      "publisher": "U.S. War Department",
      "reliability": "secondary",
      "url": null,
      "accessed": null
    },
    {
      "n": 2,
      "id": null,
      "title": "Military Rifles of Japan",
      "publisher": "Honeycutt & Anthony",
      "reliability": "secondary",
      "url": null,
      "accessed": null
    },
    {
      "n": 3,
      "id": "tier-894b33d5",
      "title": "Technical Manual for Rifle, U.S., Type 99, Japanese Cal. .30",
      "publisher": "U.S. Army (hosted by Forgotten Weapons)",
      "reliability": "primary",
      "url": "https://www.forgottenweapons.com/wp-content/uploads/manuals/US%20Arisaka%20manual.pdf",
      "accessed": "2026-10-29"
    }
  ]
}