{
  "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": "uzi",
    "name": "Uzi",
    "manufacturer": {
      "id": "iwi",
      "name": "Israel Weapon Industries"
    },
    "category": "submachine-gun",
    "action": "blowback",
    "calibers": [
      "9x19mm Parabellum",
      ".45 ACP"
    ],
    "alsoKnownAs": [
      "IMI Uzi",
      "Mini Uzi",
      "Uzi Carbine"
    ],
    "coversAlso": [
      "Mini Uzi",
      "Micro Uzi",
      "Uzi Carbine and semi-automatic variants (with internal differences)"
    ],
    "page": "firearms/uzi.html",
    "bundle": "api/v1/firearms/uzi.json",
    "lastUpdated": "2026-10-29"
  },
  "notices": [
    "This work order is written for the Uzi. It is reported to cover Mini Uzi; Micro Uzi; Uzi Carbine and semi-automatic variants (with internal differences) — 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": "69 pieces counting the bayonet, and the stamped receiver strips easily. The grip-frame fire-control group has stiff trigger-spring legs that must pass under hooks and the disconnector, which needs a notched tool, plus several small springs. It is a light Tier 2.",
    "confidence": "low",
    "partCount": {
      "value": 64,
      "kind": "line-items",
      "covers": "Complete FN-licensed Uzi SMG including bayonet sub-list (64 line items)",
      "basis": "manufacturer-parts-list",
      "source": {
        "title": "UZI SMG Operation Manual, Cal. 9 mm Parabellum",
        "publisher": "Fabrique Nationale d'Armes de Guerre S.A., Herstal-Liège (Belgium)",
        "reliability": "primary",
        "url": "https://archive.org/download/gunmanual_Uzi-Fn/Uzi-Fn.pdf",
        "page": "46–47",
        "pdfPage": null,
        "pageUrl": null,
        "quote": "Screw, spring scabbard, bayonet"
      }
    },
    "painPoints": [
      {
        "issue": "The trigger spring's legs are stiff and must be pushed under wire hooks and the disconnector. A notched screwdriver made for the job is needed.",
        "during": "both",
        "source": {
          "title": "Uzi Part 4/7 - Preparing the Uzi Grip Frame",
          "publisher": "Ronin's Grips (build blog)",
          "reliability": "secondary",
          "url": "https://blog.roninsgrips.com/uzi-part-4-7-preparing-uzi-grip-frame/",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "You will need this to push down the surprisingly stout legs on the trigger spring that have to pass under some hooks and then under the disconnector."
        }
      },
      {
        "issue": "The trigger spring ends are flipped down around the mechanism only after the pivot pin is in, and the pin goes in from one side with its slot oriented.",
        "during": "reassembly",
        "source": {
          "title": "Assembling the lower (grip frame)",
          "publisher": "UziTalk.com",
          "reliability": "anecdotal",
          "url": "https://uzitalk.com/reference/pages/assemblelower.htm",
          "page": null,
          "pdfPage": null,
          "pageUrl": null,
          "quote": "You will flip the two spring ends down around the trigger mechanism after the pin is inserted."
        }
      }
    ],
    "minutes": {
      "strip": 40,
      "rebuild": 60,
      "basis": "estimated",
      "note": "Top cover, bolt and recoil springs, barrel nut, grip-frame fire-control group, stock, sights.",
      "source": null
    },
    "stripScope": [
      {
        "assembly": "Receiver",
        "removes": [
          "top cover",
          "bolt and recoil springs",
          "barrel and nut",
          "cocking knob",
          "sights",
          "feed ramp / ejector (riveted, stays)"
        ]
      },
      {
        "assembly": "Grip frame",
        "removes": [
          "trigger and spring",
          "sear and spring",
          "selector / safety",
          "grip safety and spring",
          "magazine catch"
        ]
      },
      {
        "assembly": "Stock",
        "removes": [
          "stock / butt hardware"
        ]
      }
    ],
    "hardware": {
      "pins": 0,
      "springs": 0,
      "detents": 0,
      "basis": "counted from the manufacturer's parts list (one per key number unless a quantity is given)"
    },
    "specialTools": [
      {
        "tool": "notched small screwdriver",
        "usedFor": "Trigger spring legs"
      }
    ],
    "fitOnRebuild": [
      {
        "check": "Barrel nut tight",
        "why": "A loose nut lets the barrel move.",
        "source": null
      },
      {
        "check": "Function check (safety, trigger reset, feeding, extraction)",
        "why": "Standard after any detail strip. No single source.",
        "source": null
      },
      {
        "check": "Re-zero sights or scope",
        "why": "Sights and optics come off for coating, and point of impact must be re-confirmed. This is a standard check, so no source.",
        "source": null
      }
    ],
    "assessed": "2026-10-29"
  },
  "videos": [],
  "configurations": [],
  "tools": [],
  "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": "Place the selector or safety on safe."
        },
        {
          "n": 3,
          "instruction": "Press or operate the magazine release and remove the magazine.",
          "partsFreed": [
            "Magazine"
          ]
        },
        {
          "n": 4,
          "instruction": "Pull the charging handle fully to the rear and lock the bolt open if the design allows."
        },
        {
          "n": 5,
          "instruction": "Inspect the chamber and magazine well with a light and physically confirm the chamber is empty.",
          "warning": "Look and feel. Both, every time."
        },
        {
          "n": 6,
          "instruction": "The magazine housing is in the grip. Confirm both the grip housing and the chamber are empty."
        },
        {
          "n": 7,
          "instruction": "Remove all live ammunition from the work area."
        }
      ],
      "videos": []
    },
    {
      "id": "disassemble",
      "title": "Disassemble",
      "videos": [],
      "procedures": [
        {
          "procedure": "field-strip",
          "title": "Field Strip",
          "level": "field-strip",
          "configuration": false,
          "steps": [
            {
              "n": 1,
              "instruction": "Complete the Clear and Make Safe procedure with the selector on safe."
            },
            {
              "n": 2,
              "instruction": "Press the top cover latch at the rear of the receiver and lift the top cover off.",
              "warning": "The recoil springs are under compression beneath it.",
              "partsFreed": [
                "Top cover"
              ]
            },
            {
              "n": 3,
              "instruction": "Withdraw the bolt and recoil spring assembly rearward out of the receiver.",
              "partsFreed": [
                "Bolt",
                "Recoil spring assembly"
              ]
            },
            {
              "n": 4,
              "instruction": "Unscrew the barrel retaining nut at the front of the receiver and withdraw the barrel forward.",
              "partsFreed": [
                "Barrel retaining nut",
                "Barrel"
              ]
            },
            {
              "n": 5,
              "instruction": "Clean the bore, chamber, bolt, and receiver interior."
            }
          ]
        }
      ]
    },
    {
      "id": "refinish",
      "title": "Refinish",
      "components": [
        {
          "name": "Top cover",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 2
        },
        {
          "name": "Bolt",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 3
        },
        {
          "name": "Recoil spring assembly",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 3
        },
        {
          "name": "Barrel retaining nut",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 4
        },
        {
          "name": "Barrel",
          "procedure": "field-strip",
          "level": "field-strip",
          "step": 4
        }
      ],
      "manufacturerPartsList": {
        "parts": 64,
        "scope": "\"IX. List of Components\" of the FN-made (licensed) Uzi SMG, keyed by part number, with \"b) Bayonet\" sub-list. IWI's own UZI PRO pistol manual (entry-cited) lists a different model and was not used."
      },
      "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": "Insert the barrel into the receiver and thread the barrel retaining nut on, tightening it fully.",
              "warning": "The barrel nut must be fully tight before firing."
            },
            {
              "n": 2,
              "instruction": "Insert the bolt and recoil spring assembly into the receiver and seat them."
            },
            {
              "n": 3,
              "instruction": "Fit the top cover and press it down until the latch engages.",
              "warning": "Confirm the top cover is latched."
            },
            {
              "n": 4,
              "instruction": "Cycle the action several times and perform the function check."
            }
          ],
          "instruction": null
        }
      ]
    },
    {
      "id": "torque",
      "title": "Torque",
      "coverage": "none-recorded",
      "manufacturer": [],
      "reported": [],
      "notes": "The manufacturer's documents give no torque value. They say: \"Tighten barrel retaining nut until clicking noise stops.\" (IWI UZI PRO Pistol Operator's Manual, PDF p. 35 (troubleshooting: barrel not properly seated)) \"Depress the barrel catch and hand tighten the retaining nut until\" (IWI UZI PRO Pistol Operator's Manual, p. reassembly section (sentence continues on next line))"
    },
    {
      "id": "function-check",
      "title": "Function check",
      "checks": [
        "Verify the firearm is unloaded with no magazine inserted before each step.",
        "Cycle the action by hand and confirm the bolt returns fully into battery.",
        "With the safety on, press the trigger. The hammer or striker must not release.",
        "Move the safety to fire, cycle the action, and press the trigger. It should release.",
        "Hold the trigger back, cycle the action, and release slowly to feel the disconnector reset.",
        "Confirm the magazine seats and locks positively and releases cleanly.",
        "Confirm the grip safety must be depressed for the trigger to function.",
        "Confirm the barrel retaining nut is fully tight and the top cover is latched."
      ],
      "videos": []
    }
  ],
  "troubleshooting": [],
  "sources": [
    {
      "n": 1,
      "id": null,
      "title": "Uzi Submachine Gun Operator’s Manual",
      "publisher": "Israel Military Industries",
      "reliability": "primary",
      "url": null,
      "accessed": null
    },
    {
      "n": 2,
      "id": "iwi-us-inc-b07daa",
      "title": "IWI UZI PRO Pistol Operator's Manual",
      "publisher": "IWI US, Inc.",
      "reliability": "primary",
      "url": "https://iwi.us/wp-content/uploads/2024/01/IWI-Uzi-Pro-Manual.pdf",
      "accessed": "2026-09-27"
    },
    {
      "n": 3,
      "id": "uzi-parts-manual",
      "title": "UZI SMG Operation Manual, Cal. 9 mm Parabellum",
      "publisher": "Fabrique Nationale d'Armes de Guerre S.A., Herstal-Liège (Belgium)",
      "reliability": "primary",
      "url": "https://archive.org/download/gunmanual_Uzi-Fn/Uzi-Fn.pdf",
      "accessed": "2026-09-27"
    },
    {
      "n": 4,
      "id": "tier-af49c0c3",
      "title": "Uzi Part 4/7 - Preparing the Uzi Grip Frame",
      "publisher": "Ronin's Grips (build blog)",
      "reliability": "secondary",
      "url": "https://blog.roninsgrips.com/uzi-part-4-7-preparing-uzi-grip-frame/",
      "accessed": "2026-10-29"
    },
    {
      "n": 5,
      "id": "tier-7ad2dd54",
      "title": "Assembling the lower (grip frame)",
      "publisher": "UziTalk.com",
      "reliability": "anecdotal",
      "url": "https://uzitalk.com/reference/pages/assemblelower.htm",
      "accessed": "2026-10-29"
    }
  ]
}