{ "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": "stevens-320", "name": "Savage Stevens 320", "manufacturer": { "id": "stevens", "name": "Stevens Arms" }, "category": "shotgun", "action": "pump-action", "calibers": [ "12 gauge", "20 gauge" ], "alsoKnownAs": [ "Stevens 320", "Savage 320 Security" ], "coversAlso": [ "Savage Stevens 320 Security, Field, and Turkey configurations" ], "page": "firearms/stevens-320.html", "bundle": "api/v1/firearms/stevens-320.json", "lastUpdated": "2026-10-29" }, "notices": [ "Stevens Arms limits owner disassembly: Barrel removal, and the magazine plug on field grade models", "This work order is written for the Savage Stevens 320. It is reported to cover Savage Stevens 320 Security, Field, and Turkey configurations — 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": "high", "verification": "manufacturer-manual-verified" }, "manufacturerDisassembly": { "status": "limited", "limit": "Barrel removal, and the magazine plug on field grade models", "statement": "Savage publishes barrel removal only, and says any further disassembly is not recommended and should be done only by a qualified gunsmith or the Savage Arms service department.", "source": { "title": "Stevens Model 320 Pump Shotgun Instruction Manual", "publisher": "Savage Arms / Savage Sports Corporation", "reliability": "primary", "url": "https://saweb.s3.us-east-1.amazonaws.com/manuals/manual_shotgun_320.pdf", "page": "PDF p. 7", "pdfPage": 7, "pageUrl": "https://saweb.s3.us-east-1.amazonaws.com/manuals/manual_shotgun_320.pdf#page=7", "quote": "FURTHER DISASSEMBLY (OTHER THAN REMOVING THE BARREL) OF YOUR SHOTGUN IS NOT RECOMMENDED AND SHOULD BE DONE ONLY BY A QUALIFIED GUNSMITH OR SAVAGE ARMS SERVICE DEPARTMENT." } }, "recalls": [], "shopTier": { "tier": 2, "group": "shotgun", "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's", "reason": "Low-cost pump patterned on the Winchester 1300 rotary-bolt layout; Savage documents only barrel removal and sends everything else to a gunsmith, so a full strip relies on 1300-pattern knowledge (spring-loaded firing pin hook-up, bolt before trigger group). Rated with the 1300.", "confidence": "low", "partCount": null, "painPoints": [ { "issue": "Savage does not support disassembly beyond the barrel; anything further is for a gunsmith or the Savage service department.", "during": "both", "source": { "title": "Stevens Model 320 Pump Shotgun Instruction Manual", "publisher": "Savage Arms / Savage Sports Corporation", "reliability": "primary", "url": "https://saweb.s3.us-east-1.amazonaws.com/manuals/manual_shotgun_320.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "FURTHER DISASSEMBLY (OTHER THAN REMOVING THE BARREL) OF YOUR SHOTGUN IS NOT RECOMMENDED AND SHOULD BE DONE ONLY BY A QUALIFIED GUNSMITH OR SAVAGE ARMS SERVICE" } } ], "minutes": { "strip": 40, "rebuild": 60, "basis": "estimated", "note": "Strip of trigger guard group, bolt/slide arm bridge/firing pin, slide arms, magazine and stock; rebuild longer for the firing-pin hook-up and bolt-before-trigger-group order.", "source": null }, "stripScope": [ { "assembly": "Barrel / magazine", "removes": [ "magazine cap", "barrel", "magazine spring and follower" ] }, { "assembly": "Receiver", "removes": [ "trigger guard pin and trigger guard group", "slide arms, slide arm bridge and breech bolt assembly", "ejector (spring-loaded)" ] }, { "assembly": "Bolt", "removes": [ "firing pin and spring (frees bridge)", "rotating bolt head and cam pin", "extractor" ] }, { "assembly": "Trigger guard group", "removes": [ "hammer, sear, trigger, slide lock and springs (only if coating the guard)" ] }, { "assembly": "Stock", "removes": [ "recoil pad", "stock bolt" ] } ], "hardware": null, "specialTools": [ { "tool": "Punch set", "usedFor": "Trigger guard pin" } ], "fitOnRebuild": [ { "check": "Trigger guard group fits flush without force, hammer cocked, safety on", "why": "Forcing it damages the gun; the forearm may need moving to let it seat.", "source": { "title": "Winchester Model 1300 Owner's Manual (web)", "publisher": "Winchester Repeating Arms", "reliability": "primary", "url": "https://www.winchesterguns.com/support/owners-manuals/model-1300.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "When properly installed it will fit easily and the pin will slide in without excessive force." } }, { "check": "Function check: safety, trigger/sear release, disconnector and feeding with dummy rounds", "why": "Standard after any detail strip; a mis-assembled sear or disconnector can double or fail to fire.", "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": "Engage the crossbolt safety in the trigger guard." }, { "n": 3, "instruction": "Press the action release and pull the forend rearward to open the action.", "partsFreed": [ "Chambered shell, if present" ] }, { "n": 4, "instruction": "Cycle the action repeatedly, catching each shell, until no more feed from the magazine tube." }, { "n": 5, "instruction": "With the action open, inspect the chamber and look up the magazine tube with a light.", "warning": "The chamber AND the tube." }, { "n": 6, "instruction": "Physically confirm the chamber is empty and remove all live ammunition from the work area." } ], "videos": [] }, { "id": "disassemble", "title": "Disassemble", "videos": [], "procedures": [ { "procedure": "barrel-removal", "title": "Barrel Removal — the only disassembly Savage publishes", "level": "field-strip", "configuration": false, "steps": [ { "n": 1, "instruction": "Place the safety button in the FULL SAFE position by pushing it all the way to the right." }, { "n": 2, "instruction": "Pull the forend fully rearward, opening the bolt and exposing the chamber. If the forend is locked, depress the slide lock first." }, { "n": 3, "instruction": "Carefully examine the chamber opening and the magazine to be sure both are empty." }, { "n": 4, "instruction": "With the muzzle pointing away from you, unscrew the locking nut by turning it counterclockwise." }, { "n": 5, "instruction": "Remove the locking nut completely and pull the barrel forward, separating it from the receiver.", "partsFreed": [ "Barrel", "Locking nut" ] }, { "n": 6, "instruction": "Clean the bore and chamber, and wipe the exposed surfaces of the bolt face with a clean dry rag.", "warning": "Be careful not to leave lint or pieces of rag behind." }, { "n": 7, "instruction": "Stop here.", "warning": "Savage's instruction is explicit: further disassembly, other than removing the barrel, is not recommended and should be done only by a qualified gunsmith or the Savage Arms service department." } ] }, { "procedure": "magazine-plug", "title": "Removing the Magazine Plug (field grade models)", "level": "field-strip", "configuration": false, "steps": [ { "n": 1, "instruction": "Remove the barrel as described above.", "warning": "Always wear eye protection." }, { "n": 2, "instruction": "Locate the magazine plug inside the white magazine spring retaining cap." }, { "n": 3, "instruction": "Tilt the action downward to begin sliding the magazine plug out of the retaining cap." }, { "n": 4, "instruction": "Grasp the magazine plug with your fingers and remove it completely.", "tip": "The plug restricts magazine capacity to two shells instead of five. Field grade models only.", "partsFreed": [ "Magazine plug" ] } ] } ] }, { "id": "refinish", "title": "Refinish", "components": [ { "name": "Barrel", "procedure": "barrel-removal", "level": "field-strip", "step": 5 }, { "name": "Locking nut", "procedure": "barrel-removal", "level": "field-strip", "step": 5 }, { "name": "Magazine plug", "procedure": "magazine-plug", "level": "field-strip", "step": 4 } ], "manufacturerPartsList": null, "partsDiagrams": [], "materials": [ { "component": "Stock", "material": "Synthetic", "finish": "Black", "appliesTo": "320 Security Bead Sight, 12 GA, SKU 19486", "note": null, "source": { "title": "320 Security Bead Sight | Pump Action Shotgun | Savage Arms", "publisher": "Savage Arms", "reliability": "primary", "url": "https://savagearms.com/firearms/model/320-security-bead-sight", "page": null, "pdfPage": null, "pageUrl": null, "quote": "STOCK: Synthetic … STOCK COLOR: Black" } }, { "component": "Receiver", "material": null, "finish": "Black", "appliesTo": "320 Security Bead Sight, 12 GA, SKU 19486", "note": null, "source": { "title": "320 Security Bead Sight | Pump Action Shotgun | Savage Arms", "publisher": "Savage Arms", "reliability": "primary", "url": "https://savagearms.com/firearms/model/320-security-bead-sight", "page": null, "pdfPage": null, "pageUrl": null, "quote": "REC. COLOR: Black" } }, { "component": "Whole firearm", "material": null, "finish": "Matte black", "appliesTo": "320 Security Bead Sight, 12 GA, SKU 19486", "note": "The maker states this for the firearm as a whole, not for a named part.", "source": { "title": "320 Security Bead Sight | Pump Action Shotgun | Savage Arms", "publisher": "Savage Arms", "reliability": "primary", "url": "https://savagearms.com/firearms/model/320-security-bead-sight", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Matte black finish" } } ], "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": "barrel-refit", "title": "Refitting the Barrel", "configuration": false, "steps": [ { "n": 1, "instruction": "Check the bore from both ends and confirm you can see clearly all the way through.", "warning": "Even a small amount of mud, snow or excess oil in the bore can raise pressure enough to bulge or burst the barrel." }, { "n": 2, "instruction": "Place the safety button in the FULL SAFE position." }, { "n": 3, "instruction": "Put a fingertip on the spring-loaded end of the magazine and push slightly inward to confirm it moves and there is no shell in the magazine tube." }, { "n": 4, "instruction": "Close the bolt slightly by pushing the forend forward approximately two inches.", "warning": "This is the step that makes the barrel go in. With the bolt fully open the barrel will not seat." }, { "n": 5, "instruction": "Slide the barrel retaining lug over the magazine tube and position the barrel with the receiver opening.", "warning": "Take care not to damage the receiver, barrel, breech face or magazine tube threads." }, { "n": 6, "instruction": "Seat the barrel completely into the receiver, aligning it as the manual shows." }, { "n": 7, "instruction": "Screw the locking nut onto the end of the magazine tube and tighten it securely." }, { "n": 8, "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: \"Screw the LOCKING NUT on to the end of the MAGAZINE TUBE (see FIGURE 7), tightening it securely against the BARREL RETAINING LUG. HAND TIGHT IS SUFFICIENT.\" (Stevens Model 320 Pump Shotgun Instruction Manual, PDF p. 9) \"ALWAYS MAKE SURE THE CHOKE IS FIRMLY SCREWED INTO THE BARREL, BUT DO NOT OVER TIGHTEN.\" (Stevens Model 320 Pump Shotgun Instruction Manual, PDF p. 9)" }, { "id": "function-check", "title": "Function check", "checks": [ "Verify the shotgun is unloaded — chamber and magazine tube — before each step.", "Cycle the action fully and confirm it locks closed.", "With the hammer cocked, engage the safety and press the trigger. The hammer must not fall.", "Disengage the safety and press the trigger. The hammer should fall.", "With the hammer down, confirm the action will not open until the action release is pressed.", "Load two dummy shells into the magazine and confirm they feed and eject one at a time.", "Confirm the magazine cap is tight." ], "videos": [] } ], "troubleshooting": [ { "symptom": "The barrel will not seat back into the receiver.", "cause": "The bolt is fully open. Savage's procedure closes it about two inches first.", "fix": "Push the forend forward roughly two inches to close the bolt partly, then slide the barrel retaining lug over the magazine tube and seat the barrel.", "damageRisk": "Forcing the barrel in against a fully open bolt can damage the breech face and the magazine tube threads." }, { "symptom": "The locking nut will not thread on, or cross-threads.", "cause": "The barrel is not fully seated in the receiver, so the nut is meeting the magazine tube at an angle.", "fix": "Back the nut off, seat the barrel completely with the bolt partly closed, then start the nut by hand and tighten it securely.", "damageRisk": "Cross-threading the magazine tube is not a home repair." }, { "symptom": "The action will not cycle after refitting the barrel.", "cause": "The barrel is seated but the locking nut is not tight against it.", "fix": "Tighten the locking nut securely against the barrel, then cycle the action by hand before loading." } ], "sources": [ { "n": 1, "id": "stevens-320-manual", "title": "Stevens Model 320 Pump Shotgun Instruction Manual", "publisher": "Savage Arms / Savage Sports Corporation", "reliability": "primary", "url": "https://saweb.s3.us-east-1.amazonaws.com/manuals/manual_shotgun_320.pdf", "accessed": "2026-09-15" }, { "n": 2, "id": "savagearms-specs-c01da9", "title": "320 Security Bead Sight | Pump Action Shotgun | Savage Arms", "publisher": "Savage Arms", "reliability": "primary", "url": "https://savagearms.com/firearms/model/320-security-bead-sight", "accessed": "2026-10-03" }, { "n": 3, "id": "tier-b08e391a", "title": "Winchester Model 1300 Owner's Manual (web)", "publisher": "Winchester Repeating Arms", "reliability": "primary", "url": "https://www.winchesterguns.com/support/owners-manuals/model-1300.html", "accessed": "2026-10-29" } ] }