{ "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": "remington-870", "name": "Remington 870", "manufacturer": { "id": "remington", "name": "Remington Arms" }, "category": "shotgun", "action": "pump-action", "calibers": [ "12 gauge", "20 gauge", "16 gauge", "28 gauge", ".410 bore" ], "alsoKnownAs": [ "870 Wingmaster", "870 Express", "870 Police Magnum" ], "coversAlso": [ "Remington 870 Wingmaster", "870 Express", "870 Police", "870 Tactical", "870 Super Magnum (with differences)" ], "page": "firearms/remington-870.html", "bundle": "api/v1/firearms/remington-870.json", "lastUpdated": "2026-10-29" }, "notices": [ "Remington Arms limits owner disassembly: Field strip: barrel, fore-end with action bars, breech bolt and slide assembly, and trigger plate assembly out of the receiver; the bolt and trigger plate are each cleaned as a unit.", "This work order is written for the Remington 870. It is reported to cover Remington 870 Wingmaster; 870 Express; 870 Police; 870 Tactical; 870 Super Magnum (with differences) — if the firearm on the bench is one of those, check the torque notes: values do not always carry over.", "No manufacturer torque values are recorded. The values listed are reported by other sources, not the manufacturer — confirm them before use." ], "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": "Field strip: barrel, fore-end with action bars, breech bolt and slide assembly, and trigger plate assembly out of the receiver; the bolt and trigger plate are each cleaned as a unit.", "statement": "Remington's procedure ends with the trigger plate removed; it says to clean the breech bolt and trigger plate assemblies as units, and that all adjustments to the trigger and trigger plate assembly must be made by the factory or a Remington Authorized Service Center.", "source": { "title": "Owner's Manual, Model 870 & 870 Super Magnum (RD7058 REV 0926)", "publisher": "RemArms, LLC", "reliability": "primary", "url": "https://remington-arms.com/wp-content/uploads/2026/09/870-Manual-RD7058-REV-0926.pdf", "page": "13", "pdfPage": 13, "pageUrl": "https://remington-arms.com/wp-content/uploads/2026/09/870-Manual-RD7058-REV-0926.pdf#page=13", "quote": "THE BREECH BOLT ASSEMBLY: Clean as a unit. Brush with cleaning solvent and wipe clean and dry. ... THE TRIGGER PLATE ASSEMBLY: NOTE: Clean as a unit with oil only." } }, "recalls": [], "shopTier": { "tier": 2, "group": "shotgun", "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's", "reason": "About 78 listed items, more than the Mossberg pumps, with a trigger plate whose carrier dog follower spring must be held while the pivot tube goes in, twin action bars that must both track, and staked shell latches that need a staking tool if they come out for a bare-receiver refinish. No timing and nothing a shop cannot do with punches and one staker.", "confidence": "high", "partCount": { "value": 69, "kind": "line-items", "covers": "Remington's single 870 list written for the 12 ga Express Super Magnum; some rows are Super Magnum only", "basis": "manufacturer-parts-list", "source": { "title": "Remington Model 870 Owner's Manual", "publisher": "RemArms LLC", "reliability": "primary", "url": "https://www.remarms.com/sites/default/files/documents/870%20Manual%20Final.pdf", "page": "16–17", "pdfPage": null, "pageUrl": null, "quote": "70 Trigger Plate Pin Detent Spring, Rear" } }, "painPoints": [ { "issue": "Pulling the carrier pivot tube to strip the trigger plate lets the carrier dog follower and its spring fly; refitting means holding the carrier down against that spring while the holes in carrier, dog washer and plate are lined up for the tube.", "during": "both", "source": { "title": "Carrier on Trigger Assembly Protruding? (page 2)", "publisher": "Rem870.com Forum", "reliability": "anecdotal", "url": "https://rem870.com/forum/viewtopic.php?p=10978", "page": null, "pdfPage": null, "pageUrl": null, "quote": "lift the carrier assembly off slowly so that the carrier dog follower & follower spring don't go flying across the room." } }, { "issue": "The shell latches are held by staked receiver metal; if they are pulled for a full refinish they must be driven out rearward and restaked with a dedicated staker.", "during": "both", "source": { "title": "Remington 870/1100 Shell Latch Staker instructions", "publisher": "Brownells", "reliability": "secondary", "url": "https://www.brownells.com/userdocs/learn/Inst-187%20Shell%20Latch%20Staker.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "are held in place by receiver metal which is swaged, or staked, against them. If the latch loosens, has been removed during the rebluing process or is replaced, it will be necessary to restake it" } }, { "issue": "The magazine spring retainer has to be pried out of the tube with a screwdriver and eased out against the spring.", "during": "both", "source": { "title": "Exploded View: Remington Model 870 Shotgun", "publisher": "American Rifleman (NRA)", "reliability": "secondary", "url": "https://www.americanrifleman.org/articles/2017/8/2/exploded-view-remington-model-870-shotgun", "page": null, "pdfPage": null, "pageUrl": null, "quote": "insert the blade of a small screwdriver into the hole in the spring retainer (12) and pry the retainer from the magazine tube ( FIG. 5 ). Remove the retainer slowly to relieve tension on the magazine spring." } } ], "minutes": { "strip": 40, "rebuild": 60, "basis": "estimated", "note": "Strip of receiver (shell latches optional), trigger plate assembly, bolt and magazine; rebuild longer for the carrier dog follower spring, action bars and, if pulled, restaking shell latches (+15 min).", "source": null }, "stripScope": [ { "assembly": "Barrel and magazine", "removes": [ "magazine cap", "barrel", "magazine spring retainer, spring and follower" ] }, { "assembly": "Forend / action bars", "removes": [ "fore-end tube nut", "fore-end", "action bar assembly" ], "tools": [ "fore-end nut wrench" ] }, { "assembly": "Receiver", "removes": [ "trigger plate pins and trigger plate assembly", "bolt, slide and locking block", "ejector and ejector spring (riveted; leave unless replacing)", "shell latches (staked; only for bare-receiver jobs)" ], "tools": [ "shell latch staker" ] }, { "assembly": "Trigger plate assembly", "removes": [ "trigger plate pins (front/rear) with detent springs", "carrier pivot tube, carrier, carrier dog, dog washer, follower and spring", "hammer, hammer plunger and spring", "sear, connector/disconnector, trigger and their pins", "safety, safety detent ball/plunger and spring", "action bar lock / carrier latch and spring" ] }, { "assembly": "Bolt", "removes": [ "firing pin retaining pin, firing pin and spring", "extractor and plunger/spring", "locking block" ] }, { "assembly": "Stock", "removes": [ "recoil pad screws", "stock bolt and washers" ], "tools": [ "long screwdriver bit / socket extension" ] } ], "hardware": { "pins": 12, "springs": 10, "detents": 7, "basis": "counted from the manufacturer's parts list (one per key number unless a quantity is given)" }, "specialTools": [ { "tool": "Shell latch staker (Brownells 870/1100)", "usedFor": "Restaking shell latches after refinish" }, { "tool": "Fore-end (magazine tube) nut wrench", "usedFor": "Fore-end tube nut" }, { "tool": "Long stock-bolt bit on extension", "usedFor": "Stock bolt" }, { "tool": "Punch set incl. 1/8 in.", "usedFor": "Trigger plate pins and firing pin retaining pin" } ], "fitOnRebuild": [ { "check": "Shell latches restaked tight", "why": "A loose latch causes feeding problems; latches removed for refinishing must be restaked.", "source": { "title": "Remington 870/1100 Shell Latch Staker instructions", "publisher": "Brownells", "reliability": "secondary", "url": "https://www.brownells.com/userdocs/learn/Inst-187%20Shell%20Latch%20Staker.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "it will be necessary to restake it" } }, { "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": [ { "name": "Punch (roughly 1/8 in)", "required": false, "usedFor": "Pushing out the trigger plate pins if they are tight.", "substitute": "Fingers work on most guns." } ], "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 behind the trigger." }, { "n": 3, "instruction": "Press the action bar lock and pull the forend rearward to open the action and eject any chambered shell.", "partsFreed": [ "Chambered shell, if present" ] }, { "n": 4, "instruction": "Cycle the action repeatedly, catching each shell as it ejects, until no more shells feed from the magazine tube.", "tip": "Alternatively, press the shell latch and roll the shells out of the loading port, which is gentler on the shells." }, { "n": 5, "instruction": "With the action locked open, look into the chamber and up the magazine tube. Use a light.", "warning": "Check the magazine tube as well as the chamber. A shell hung up in the tube is easy to miss." }, { "n": 6, "instruction": "Physically confirm the chamber is empty with a finger." }, { "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": "Engage the safety mechanism. The red band must not show.", "warning": "Keep the safety engaged for the whole procedure." }, { "n": 2, "instruction": "Push the action bar lock upward and pull the fore-end rearward to open the action." }, { "n": 3, "instruction": "Look into the ejection port and check the chamber and magazine to make sure there are no shells in the firearm.", "warning": "This is the manual's own check, and it names both the chamber and the magazine." }, { "n": 4, "instruction": "Slide the fore-end forward approximately halfway.", "tip": "This intermediate position matters — the parts will not come apart cleanly without it." }, { "n": 5, "instruction": "Unscrew and remove the magazine cap.", "partsFreed": [ "Magazine cap" ] }, { "n": 6, "instruction": "Take hold of the barrel ahead of the magazine tube and pull the barrel from the receiver.", "partsFreed": [ "Barrel" ] }, { "n": 7, "instruction": "Push the carrier upward." }, { "n": 8, "instruction": "Reach into the bottom of the receiver, and depress and hold the left shell latch.", "warning": "Depress the latch. Do not pry at it — the latches are staked and prying causes feeding problems." }, { "n": 9, "instruction": "Slide the fore-end forward and off of the magazine tube.", "tip": "If the top right edge of the slide binds on the bottom front edge of the ejection port, push the front end of the bolt down to free it.", "partsFreed": [ "Fore-end and action bar assembly" ] }, { "n": 10, "instruction": "Lift the breech bolt assembly and slide assembly from the rear of the action bars.", "partsFreed": [ "Breech bolt assembly", "Slide" ] }, { "n": 11, "instruction": "Tap out the front and rear trigger plate pins.", "partsFreed": [ "Trigger plate pins" ] }, { "n": 12, "instruction": "Lift the rear of the trigger plate assembly, slide it rearward, and remove it from the receiver.", "warning": "Do not allow the hammer to snap forward once the trigger plate is out. Keeping the safety engaged throughout is how the manual says to ensure this.", "partsFreed": [ "Trigger plate assembly" ] } ] } ] }, { "id": "refinish", "title": "Refinish", "components": [ { "name": "Magazine cap", "procedure": "field-strip", "level": "field-strip", "step": 5 }, { "name": "Barrel", "procedure": "field-strip", "level": "field-strip", "step": 6 }, { "name": "Fore-end and action bar assembly", "procedure": "field-strip", "level": "field-strip", "step": 9 }, { "name": "Breech bolt assembly", "procedure": "field-strip", "level": "field-strip", "step": 10 }, { "name": "Slide", "procedure": "field-strip", "level": "field-strip", "step": 10 }, { "name": "Trigger plate pins", "procedure": "field-strip", "level": "field-strip", "step": 11 }, { "name": "Trigger plate assembly", "procedure": "field-strip", "level": "field-strip", "step": 12 } ], "manufacturerPartsList": { "parts": 78, "scope": "Remington prints one 870 list, written for the 12 ga Express Super Magnum. Rows marked Super Magnum only (see each row's note) do not apply to a standard 870; check the rest against your gun's own manual before ordering." }, "partsDiagrams": [], "materials": [ { "component": "Receiver", "material": "Steel", "finish": null, "appliesTo": null, "note": null, "source": { "title": "The Model 870 — 870 Series", "publisher": "Remington Arms (remington-arms.com, Frontier Defense Group, LLC)", "reliability": "primary", "url": "https://remington-arms.com/870-series/", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Solid Steel Receiver Milled from a solid billet of steel for strength and durability." } } ], "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": "Carefully insert the trigger plate assembly, carrier first, into the receiver." }, { "n": 2, "instruction": "Position it to align the holes and tap in the front and rear trigger plate pins." }, { "n": 3, "instruction": "Set the breech bolt assembly onto the action bar slide and feed the fore-end and action bar assembly back onto the magazine tube and into the receiver, guiding both action bars into their grooves.", "warning": "Both bars must run in their grooves. One out of its track will bind the action or bend a bar." }, { "n": 4, "instruction": "Set the barrel into the receiver with its extension entering squarely and its ring over the magazine tube, and push it fully home.", "warning": "Seat the barrel fully. A barrel that is not fully seated will not headspace correctly." }, { "n": 5, "instruction": "Thread the magazine cap back on and tighten it firmly by hand." }, { "n": 6, "instruction": "Cycle the action several times and perform the function check." } ], "instruction": null } ] }, { "id": "torque", "title": "Torque", "coverage": "reported-only", "manufacturer": [], "reported": [ { "fastener": "Stock adaptor bolt (into rear of receiver)", "appliesTo": "Remington 870 with Midwest Industries MI-SG-870 stock (replaces factory stock bolt)", "qualifier": "exact", "value": 50, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 5.6, "in-lb": 50, "ft-lb": 4.2 }, "valueMax": null }, "sequence": "Remove recoil pad and factory stock bolt; install grip adaptor into back of receiver (50 in-lb, Vibra-Tite); attach grip to adaptor with four 10-24 flat heads (10 in-lb); slide stock into grip and fasten four 10-24 flat heads (10 in-lb).", "threadlocker": "\"Use the provided Vibra-tite on this bolt ONLY.\"", "source": { "title": "Mossberg 590 / Remington 970 Stock - MI-SG-590 / MI-SG-870 installation instructions", "publisher": "Midwest Industries, Inc.", "reliability": "secondary", "url": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf", "page": "PDF p. 1", "pdfPage": 1, "pageUrl": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf#page=1", "quote": "Install grip adaptor into back of the receiver. Use the provided Allen wrench and torque to 50inch lbs." } }, { "fastener": "Sling mount clamp screw (through sling mount halves, on extended magazine tube)", "appliesTo": "Magpul Forward Sling Mount (MAG508) on a Remington 870 with an extended magazine tube", "qualifier": "maximum", "value": 25, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 2.8, "in-lb": 25, "ft-lb": 2.1 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Magpul MAG508 Forward Sling Mount – Remington 870 & Mossberg 500/590 — Installation Instructions", "publisher": "Magpul Industries", "reliability": "secondary", "url": "https://magpul.com/media/wysiwyg/Instructions/MAG508_SGA_Forward_Sling_Mount_Rem_Moss_INSRT.pdf", "page": "PDF p. 1 (single page)", "pdfPage": 1, "pageUrl": "https://magpul.com/media/wysiwyg/Instructions/MAG508_SGA_Forward_Sling_Mount_Rem_Moss_INSRT.pdf#page=1", "quote": "Maximum Torque 25 in-lbs." } }, { "fastener": "Sling mount clamp screw (through sling mount halves, on extended magazine tube)", "appliesTo": "Magpul Forward Sling Mount (MAG508) on a Remington 870 with an extended magazine tube", "qualifier": "exact", "value": 23, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 2.6, "in-lb": 23, "ft-lb": 1.9 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Magpul MAG508 Forward Sling Mount – Remington 870 & Mossberg 500/590 — Installation Instructions", "publisher": "Magpul Industries", "reliability": "secondary", "url": "https://magpul.com/media/wysiwyg/Instructions/MAG508_SGA_Forward_Sling_Mount_Rem_Moss_INSRT.pdf", "page": "PDF p. 1 (single page)", "pdfPage": 1, "pageUrl": "https://magpul.com/media/wysiwyg/Instructions/MAG508_SGA_Forward_Sling_Mount_Rem_Moss_INSRT.pdf#page=1", "quote": "For best operation and compatibility, torque to 23 in-lbs and place sling clamps within 2.25 inches of the end of the magazine tube or extension." } }, { "fastener": "Grip-to-adaptor flat head screws (four 10-24)", "appliesTo": "Midwest Industries shotgun stock on a Remington 870 12 ga (MI-SG-870)", "qualifier": "exact", "value": 10, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 1.1, "in-lb": 10, "ft-lb": 0.83 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Mossberg 590 / Remington 970 Stock - MI-SG-590 / MI-SG-870 installation instructions", "publisher": "Midwest Industries, Inc.", "reliability": "secondary", "url": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf", "page": "PDF p. 1 (single page)", "pdfPage": 1, "pageUrl": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf#page=1", "quote": "Slide the grip on the adaptor and attach with the provided flat heads. (For Remington 870 models you will use four 10-24 flat heads) (For Mossberg 590 models, you will use the 6 provided 8-32 flat heads. Torque these to 10inch lbs." } }, { "fastener": "Stock-to-grip 10-24 flat head screws (4)", "appliesTo": "Midwest Industries shotgun stock on a Remington 870 12 ga (MI-SG-870)", "qualifier": "exact", "value": 10, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 1.1, "in-lb": 10, "ft-lb": 0.83 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Mossberg 590 / Remington 970 Stock - MI-SG-590 / MI-SG-870 installation instructions", "publisher": "Midwest Industries, Inc.", "reliability": "secondary", "url": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf", "page": "PDF p. 1 (single page)", "pdfPage": 1, "pageUrl": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf#page=1", "quote": "Slide the stock into the grip and fasten the four 10-24 flat heads. Torque to 10inch lbs." } }, { "fastener": "Stock adapter receiver screw (socket head bolt into rear of receiver)", "appliesTo": "Mesa Tactical telescoping stock adapter (High-tube or LEO) on a Remington 870", "qualifier": "exact", "value": 12, "valueMax": null, "unit": "ft-lb", "converted": { "value": { "N-m": 16.3, "in-lb": 144, "ft-lb": 12 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Mesa Tactical Telescoping Stock & Adapter Shotgun Conversion Kit — Assembly Guide (#47371 Rev II)", "publisher": "Mesa Tactical", "reliability": "secondary", "url": "https://mesatactical.com/content/manuals/47371_Stock_Adapter_Manual_rev_ii.pdf", "page": "PDF p. 10 of 16", "pdfPage": 10, "pageUrl": "https://mesatactical.com/content/manuals/47371_Stock_Adapter_Manual_rev_ii.pdf#page=10", "quote": "Remington 870: 12 foot pounds" } }, { "fastener": "Pistol grip screw (1/4-28 pan head, grip to adapter)", "appliesTo": "Mesa Tactical telescoping stock adapter kit on a Remington 870", "qualifier": "exact", "value": 10, "valueMax": null, "unit": "ft-lb", "converted": { "value": { "N-m": 13.6, "in-lb": 120, "ft-lb": 10 }, "valueMax": null }, "sequence": null, "threadlocker": "None — 'Do not use Loctite on the pistol grip screw.'", "source": { "title": "Mesa Tactical Telescoping Stock & Adapter Shotgun Conversion Kit — Assembly Guide (#47371 Rev II)", "publisher": "Mesa Tactical", "reliability": "secondary", "url": "https://mesatactical.com/content/manuals/47371_Stock_Adapter_Manual_rev_ii.pdf", "page": "PDF p. 9 of 16", "pdfPage": 9, "pageUrl": "https://mesatactical.com/content/manuals/47371_Stock_Adapter_Manual_rev_ii.pdf#page=9", "quote": "If you have a torque wrench, tighten the fastener to 10 foot pounds." } }, { "fastener": "Banded front sight attachment nuts (5/16\" nut driver)", "appliesTo": "XS Sights banded front sight (winged ghost ring kit) on a Remington 870 12 ga", "qualifier": "exact", "value": 30, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 3.4, "in-lb": 30, "ft-lb": 2.5 }, "valueMax": null }, "sequence": null, "threadlocker": "Red thread locking compound between band and barrel", "source": { "title": "XS Sights Banded Shotgun Front Sight / Winged Ghost Ring — Installation Instructions", "publisher": "XS Sights", "reliability": "secondary", "url": "https://xssights.com/content/Install%20Instructions/Banded%20Shotgun%20Winged%20Ghost%20Ring%20Instructions.pdf", "page": "PDF p. 1 of 2", "pdfPage": 1, "pageUrl": "https://xssights.com/content/Install%20Instructions/Banded%20Shotgun%20Winged%20Ghost%20Ring%20Instructions.pdf#page=1", "quote": "If you are using a socket wrench, do not over tighten, doing so may break the attachment screw. The torque spec is only 30 inch pounds." } }, { "fastener": "Banded front sight attachment nuts (1/4\" nut driver)", "appliesTo": "XS Sights SHOTRAIL kit banded front sight on a Remington 870", "qualifier": "exact", "value": 10, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 1.1, "in-lb": 10, "ft-lb": 0.83 }, "valueMax": null }, "sequence": null, "threadlocker": "Red thread locking compound between band and barrel", "source": { "title": "XS Sights SHOTRAIL (Remington/Mossberg) with Banded Front Sight — Installation Instructions", "publisher": "XS Sights", "reliability": "secondary", "url": "https://xssights.com/content/Install%20Instructions/SHOTRAIL%20Banded%20Front.pdf", "page": "PDF p. 2 of 2", "pdfPage": 2, "pageUrl": "https://xssights.com/content/Install%20Instructions/SHOTRAIL%20Banded%20Front.pdf#page=2", "quote": "If you are using a socket wrench, do not over tighten, doing so may break the attachment screw. The torque spec is only 10 inch pounds." } } ], "notes": "The manufacturer's documents give no torque value. They say: \"Tighten the choke tube snugly, but DO NOT OVERTIGHTEN.\" (Owner's Manual, Model 870 & 870 Super Magnum (RD7058 REV 0926), PDF p. 9) \"Replace and tighten the magazine cap.\" (Owner's Manual, Model 870 & 870 Super Magnum (RD7058 REV 0926), PDF p. 10)" }, { "id": "function-check", "title": "Function check", "checks": [ "Verify the shotgun is unloaded, chamber and magazine tube, before each step.", "Cycle the action fully. It should run smoothly without binding and lock closed.", "With the action closed and 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 bar lock is pressed.", "Press the trigger and hold it, then cycle the action. Release the trigger and confirm the disconnector resets.", "Load two dummy shells into the magazine and confirm they feed and eject cleanly, one per cycle." ], "videos": [] } ], "troubleshooting": [], "sources": [ { "n": 1, "id": "remington-870-manual", "title": "Remington Model 870 Owner's Manual", "publisher": "RemArms LLC", "reliability": "primary", "url": "https://www.remarms.com/sites/default/files/documents/870%20Manual%20Final.pdf", "accessed": "2026-09-14" }, { "n": 2, "id": "midwest-industries-inc-6e1723", "title": "Mossberg 590 / Remington 970 Stock - MI-SG-590 / MI-SG-870 installation instructions", "publisher": "Midwest Industries, Inc.", "reliability": "secondary", "url": "https://midwestindustriesinc.com/content/installation-instructions/Mossberg-590-Remington-970-Stocks-Instructionrs.pdf", "accessed": "2026-09-27" }, { "n": 3, "id": "remarms-llc-54e0e7", "title": "Owner's Manual, Model 870 & 870 Super Magnum (RD7058 REV 0926)", "publisher": "RemArms, LLC", "reliability": "primary", "url": "https://remington-arms.com/wp-content/uploads/2026/09/870-Manual-RD7058-REV-0926.pdf", "accessed": "2026-09-27" }, { "n": 4, "id": "remington-arms-specs-ab0df1", "title": "The Model 870 — 870 Series", "publisher": "Remington Arms (remington-arms.com, Frontier Defense Group, LLC)", "reliability": "primary", "url": "https://remington-arms.com/870-series/", "accessed": "2026-10-03" }, { "n": 5, "id": "magpul-industries-f95f9b", "title": "Magpul MAG508 Forward Sling Mount – Remington 870 & Mossberg 500/590 — Installation Instructions", "publisher": "Magpul Industries", "reliability": "secondary", "url": "https://magpul.com/media/wysiwyg/Instructions/MAG508_SGA_Forward_Sling_Mount_Rem_Moss_INSRT.pdf", "accessed": "2026-10-11" }, { "n": 6, "id": "mesa-tactical-a8b755", "title": "Mesa Tactical Telescoping Stock & Adapter Shotgun Conversion Kit — Assembly Guide (#47371 Rev II)", "publisher": "Mesa Tactical", "reliability": "secondary", "url": "https://mesatactical.com/content/manuals/47371_Stock_Adapter_Manual_rev_ii.pdf", "accessed": "2026-10-11" }, { "n": 7, "id": "xs-sights-1bc18c", "title": "XS Sights Banded Shotgun Front Sight / Winged Ghost Ring — Installation Instructions", "publisher": "XS Sights", "reliability": "secondary", "url": "https://xssights.com/content/Install%20Instructions/Banded%20Shotgun%20Winged%20Ghost%20Ring%20Instructions.pdf", "accessed": "2026-10-11" }, { "n": 8, "id": "xs-sights-cd10cf", "title": "XS Sights SHOTRAIL (Remington/Mossberg) with Banded Front Sight — Installation Instructions", "publisher": "XS Sights", "reliability": "secondary", "url": "https://xssights.com/content/Install%20Instructions/SHOTRAIL%20Banded%20Front.pdf", "accessed": "2026-10-11" }, { "n": 9, "id": "tier-371c7207", "title": "Carrier on Trigger Assembly Protruding? (page 2)", "publisher": "Rem870.com Forum", "reliability": "anecdotal", "url": "https://rem870.com/forum/viewtopic.php?p=10978", "accessed": "2026-10-29" }, { "n": 10, "id": "tier-0ef14149", "title": "Remington 870/1100 Shell Latch Staker instructions", "publisher": "Brownells", "reliability": "secondary", "url": "https://www.brownells.com/userdocs/learn/Inst-187%20Shell%20Latch%20Staker.pdf", "accessed": "2026-10-29" }, { "n": 11, "id": "tier-834e1c07", "title": "Exploded View: Remington Model 870 Shotgun", "publisher": "American Rifleman (NRA)", "reliability": "secondary", "url": "https://www.americanrifleman.org/articles/2017/8/2/exploded-view-remington-model-870-shotgun", "accessed": "2026-10-29" } ] }