{ "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": "glock-48", "name": "Glock 48", "manufacturer": { "id": "glock", "name": "Glock Ges.m.b.H." }, "category": "pistol", "action": "striker-fired-short-recoil", "calibers": [ "9x19mm Parabellum" ], "alsoKnownAs": [], "coversAlso": [], "page": "firearms/glock-48.html", "bundle": "api/v1/firearms/glock-48.json", "lastUpdated": "2026-10-29" }, "notices": [ "Glock Ges.m.b.H. limits owner disassembly: Field strip only: slide, recoil spring assembly, barrel and frame." ], "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 only: slide, recoil spring assembly, barrel and frame.", "statement": "GLOCK tells owners never to disassemble the pistol beyond the field strip; any further disassembly must be done by a GLOCK-Certified Armorer, and otherwise voids the warranty.", "source": { "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "page": "24", "pdfPage": 24, "pageUrl": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf#page=24", "quote": "WARNING Never further disassemble your GLOCK pistol (Picture 27). Any further disassembly must be performed by a GLOCK-Certified Armorer. (Note: Any further disassembly will void warranty unless performed by a GLOCK-Certified Armorer)." } }, "recalls": [], "shopTier": { "tier": 1, "group": "pistol", "rating": "Pew-Takedown editorial rating (1 easy – 3 hardest), not the manufacturer's", "reason": "About 35 line items in GLOCK's slimline (G42) list including the magazine; two frame pins, punch-only work. Minor traps only: the slide cover plate and holding the slide stop lever while the trigger pin goes in. Same design family as the Glock 19 (the reference Tier 1 pistol).", "confidence": "high", "partCount": { "value": 35, "kind": "line-items", "covers": "Stand-in: GLOCK's G42 list (GLOCK publishes no list for this model); complete pistol incl. magazine", "basis": "manufacturer-parts-list", "source": { "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "page": "p. 50 (list), p. 51 (Exploded drawing GL", "pdfPage": null, "pageUrl": null, "quote": "25 Trigger spring 26 Trigger with trigger bar 27 Slide stop lever 28 Trigger pin 29 Trigger housing pin (short)" } }, "painPoints": [ { "issue": "The slide cover plate only goes back on if the firing pin spacer sleeve and the spring-loaded bearing are both held depressed while the plate is pushed up; on removal the internal parts come out under spring tension.", "during": "both", "source": { "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "page": null, "pdfPage": null, "pageUrl": null, "quote": "The slide cover plate will not go on properly unless the firing pin spacer sleeve and spring loaded bearing are depressed while keeping tension on the cover plate." } }, { "issue": "The spring-loaded slide stop lever has to be held forward in its recess while the trigger pin is pushed through it, the one place a Glock asks for a part held under tension while a pin goes in.", "during": "reassembly", "source": { "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "page": null, "pdfPage": null, "pageUrl": null, "quote": "After positioning the slide stop lever as far forward as possible, hold it in position while you insert the trigger pin from the right side of the receiver." } }, { "issue": "The trigger pin is held by the slide stop lever sitting in its groove and will not push out until the lever is wiggled off it; new guns need more force.", "during": "disassembly", "source": { "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "page": null, "pdfPage": null, "pageUrl": null, "quote": "In order to get the trigger pin out, you must move the slide stop lever out of the trigger pin groove." } }, { "issue": "The slide lock (takedown lever) is orientation-sensitive and can be reinstalled backwards.", "during": "reassembly", "source": { "title": "Disassembly Guide: Glocks", "publisher": "Apex Gunsmithing", "reliability": "secondary", "url": "https://apexgunsmithing.com/disassembly-guide-glocks/", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Make sure you reinstall this the correct orientation, with the locking ridge at the top facing backwards." } }, { "issue": "Sights are part of the job on a coated slide: the front sight needs a hex nut driver (GLOCK front sight tool) and the rear sight a sight pusher.", "during": "both", "source": { "title": "Disassembly Guide: Glocks", "publisher": "Apex Gunsmithing", "reliability": "secondary", "url": "https://apexgunsmithing.com/disassembly-guide-glocks/", "page": null, "pdfPage": null, "pageUrl": null, "quote": "You'll need a hex nut driver if you plan on replacing the front sight though" } } ], "minutes": { "strip": 15, "rebuild": 20, "basis": "estimated", "note": "Estimate for an experienced tech with the right tools, detail strip to coatable parts (slide internals, frame pins, trigger group, sights) and rebuild to a function-checked gun; scale used across pistols: Glock-pattern 15/20 min, other strikers 20-30/25-40, DA/SA hammer guns 30-35/45-50, Hi-Power, Colt 1903 and Mark 23 40-45/60-75. Two frame pins;", "source": null }, "stripScope": [ { "assembly": "Slide", "removes": [ "slide cover plate", "firing pin assembly (spacer sleeve, spring, spring cups)", "extractor depressor plunger, spring and spring-loaded bearing", "extractor", "firing pin safety and spring", "front sight", "rear sight" ], "tools": [ "3/32 in. punch", "front sight tool", "sight pusher" ] }, { "assembly": "Barrel / recoil spring", "removes": [ "barrel", "recoil spring assembly" ] }, { "assembly": "Frame", "removes": [ "trigger pin", "trigger housing pin", "locking block", "trigger mechanism housing with trigger bar", "connector", "slide stop lever", "slide lock and spring", "magazine catch and spring" ], "tools": [ "3/32 in. punch" ] }, { "assembly": "Magazine", "removes": [ "floor plate", "insert", "spring", "follower" ] } ], "hardware": { "pins": 2, "springs": 8, "detents": 3, "basis": "counted from the parts list in partCount" }, "specialTools": [ { "tool": "3/32 in. (2.5 mm) pin punch / GLOCK disassembly tool", "usedFor": "Trigger, housing and locking block pins, slide cover plate" }, { "tool": "GLOCK front sight tool (3/16 in. hex nut driver)", "usedFor": "Front sight screw" }, { "tool": "Rear sight pusher (GLOCK rear sight mounting tool)", "usedFor": "Dovetail rear sight" } ], "fitOnRebuild": [ { "check": "Slide stop lever spring tension", "why": "If the lever went in without tension (pin order wrong) the slide can lock back early", "source": { "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "page": null, "pdfPage": null, "pageUrl": null, "quote": "When properly assembled, the slide stop lever should be under spring tension and slight backwards and" } }, { "check": "Front sight screw tightened snug, not over-tightened", "why": "The small screw breaks if over-tightened", "source": { "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Tighten screw/nut until it is snug (do not overtighten and" } }, { "check": "Sight position / re-zero", "why": "Drift or pressed sights moved for coating shift point of impact unless witness-marked and returned to the same spot", "source": null }, { "check": "Full function check (trigger reset, safeties, slide lock-back, drop of striker/hammer only on trigger)", "why": "Standard after any fire-control strip; confirms springs and sears went back correctly", "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": "Press the magazine release, remove the magazine, and set it away from the work area.", "partsFreed": [ "Magazine" ] }, { "n": 3, "instruction": "Retract the slide fully to eject any chambered round and lock it open on the slide stop lever." }, { "n": 4, "instruction": "Visually inspect the chamber and magazine well, then physically feel the chamber to confirm it is empty.", "warning": "Both checks, every time. The next procedure requires pressing the trigger." }, { "n": 5, "instruction": "Remove all live ammunition from the work surface." } ], "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, and put on safety glasses.", "warning": "The manual requires safety glasses when disassembling — components are under spring pressure." }, { "n": 2, "instruction": "Release the slide to the forward position, either by pressing the slide stop lever down or by pulling the slide fully back and releasing it." }, { "n": 3, "instruction": "With the muzzle pointed in a safe direction, pull the trigger. The trigger must be in its rearmost position for the slide to come off.", "warning": "Verify the chamber is empty before this step. If the trigger is in the forward position, the pistol may be loaded." }, { "n": 4, "instruction": "Hold the pistol with your firing hand, fingers across the top of the rear of the slide in front of the rear sight and thumb on the rear of the frame." }, { "n": 5, "instruction": "Using your fingers, retract the slide about 1/8 in (3 mm) and hold it there.", "tip": "Pull it too far and the trigger resets to the forward position. If that happens, pull the trigger again with the muzzle in a safe direction and start over." }, { "n": 6, "instruction": "Using the thumb and index finger of your non-firing hand, pull the slide lock down evenly on both sides." }, { "n": 7, "instruction": "While holding the slide lock down, push the slide forward and off the frame.", "partsFreed": [ "Slide assembly" ] }, { "n": 8, "instruction": "Press the recoil spring assembly toward the front (muzzle end) of the slide while pulling it up to remove it.", "warning": "It is under spring tension. Keep control of it.", "partsFreed": [ "Recoil spring assembly" ] }, { "n": 9, "instruction": "Holding the barrel by the barrel locking cams, lift it and push it toward the front of the slide, then pull it up and toward the rear to remove it.", "tip": "Forward first, then up and rearward. It does not simply lift out.", "partsFreed": [ "Barrel" ] }, { "n": 10, "instruction": "Stop here for routine cleaning. The frame and slide internals do not need to come apart for normal maintenance." } ] } ] }, { "id": "refinish", "title": "Refinish", "components": [ { "name": "Slide assembly", "procedure": "field-strip", "level": "field-strip", "step": 7 }, { "name": "Recoil spring assembly", "procedure": "field-strip", "level": "field-strip", "step": 8 }, { "name": "Barrel", "procedure": "field-strip", "level": "field-strip", "step": 9 } ], "manufacturerPartsList": null, "partsDiagrams": [], "materials": [ { "component": "Slide", "material": null, "finish": "nDLC", "appliesTo": "G48 Rail (as described on the G48 page)", "note": null, "source": { "title": "GLOCK G48 — Technical Data (us.glock.com)", "publisher": "GLOCK, Inc.", "reliability": "primary", "url": "https://us.glock.com/en/products/commercial-firearms/pistols/g48", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Chambered in 9 mm Luger the G48 Rail features a compact Slimline frame with a slim mounting rail and a black slide with nDLC finish as well as a 10-round magazine capacity making it ideal for concealed carry." } }, { "component": "Frame", "material": "polymer", "finish": null, "appliesTo": "G48", "note": null, "source": { "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "FRAME: The frame (17) is made of polymer with hardened steel guides." } }, { "component": "Slide", "material": null, "finish": "matte black", "appliesTo": "G48", "note": null, "source": { "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "SLIDE: The advanced surface treatment of the slide (1) results in optimal hardness by considerably reducing wear and tear and it makes it corrosion resistant, even when operating in saltwater conditions. The matte black surface minimizes light reflection – an advantage in tactical circumstances." } }, { "component": "Sights", "material": "polymer", "finish": null, "appliesTo": "standard front sights (steel sights optional)", "note": null, "source": { "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "page": null, "pdfPage": null, "pageUrl": null, "quote": "All GLOCK pistol models come standard with polymer front sights (16a), which provide excellent damping characteristics on impact. Steel front sights with a white contrast point, steel luminescent sights and steel night sights with a self-illuminating tritium contrast point are available as options." } } ], "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": "Hold the slide upside down, insert the barrel, and seat it fully by its locking cams." }, { "n": 2, "instruction": "Insert one end of the recoil spring assembly into the slide and press the other end toward the front of the slide to compress the spring, pushing down until the large end rests in the second, semi-circular notch on the barrel locking cams.", "tip": "The second semi-circular notch on the locking cams is the seat. If the assembly keeps popping out, it is not in that notch." }, { "n": 3, "instruction": "Holding the frame in your firing hand with your finger off the trigger and outside the trigger guard, place the slide on top of the frame in front of the slide rails." }, { "n": 4, "instruction": "Push the slide toward the back of the frame until the slide lock snaps up and locks the slide into place.", "warning": "Do not hold the slide lock down during reassembly. It snaps up on its own." }, { "n": 5, "instruction": "Release the slide and let it run forward into battery, then perform the function check." } ], "instruction": null } ] }, { "id": "torque", "title": "Torque", "coverage": "sourced", "manufacturer": [ { "fastener": "Optic-cut cover plate screws (2 × ultra-low-profile hex M3x6, 1.5 mm hex)", "appliesTo": "GLOCK MOSK Slimline pistol models, GLOCK 43X and 48 with MOSK configuration (this model: G48 MOS)", "qualifier": "exact", "value": 0.5, "valueMax": null, "unit": "N-m", "converted": { "value": { "N-m": 0.5, "in-lb": 4.4, "ft-lb": 0.37 }, "valueMax": null }, "sequence": "Complete the safety check and field strip; place slide on a flat surface. Remove the GLOCK cover plate. 'Make sure to use a drop of thread locker on the screws before reinstalling the cover plate.' Optics mount directly with the M3 screws supplied with the optic (no adapter plates); a screw must not protrude more than 4 mm from the bottom of the optic.", "threadlocker": "a drop of thread locker on the screws before reinstalling the cover plate", "source": { "title": "GLOCK Slimline MOSK Accompanying Sheet (© GLOCK 2025, Art.Nr. 51957), linked from us.glock.com Downloadable Materials as 'MOSK Slimline Instruction Sheet'", "publisher": "GLOCK", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/blt1de0511817d6afd3/696fb58f30655f7ecfa0e4f2/MOSK_Accompanying_Sheet_Final.pdf", "page": "PDF p. 1", "pdfPage": 1, "pageUrl": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/blt1de0511817d6afd3/696fb58f30655f7ecfa0e4f2/MOSK_Accompanying_Sheet_Final.pdf#page=1", "quote": "Make sure to use only these screws at 0.5 Nm / 4.4 lbf. inch for attaching the cover plate." } } ], "reported": [ { "fastener": "Front sight screw", "appliesTo": "GLOCK pistols; Night Fision front sight with the Night Fision screw", "qualifier": "range", "value": 5, "valueMax": 7, "unit": "in-lb", "converted": { "value": { "N-m": 0.56, "in-lb": 5, "ft-lb": 0.42 }, "valueMax": { "N-m": 0.79, "in-lb": 7, "ft-lb": 0.58 } }, "sequence": null, "threadlocker": "\"de-grease and apply high strength thread locker to the front sight screw when installing\" (Night Fision screws come with thread locker pre-applied per its install guide)", "source": { "title": "What is the Glock Front Sight Screw Torque Spec?", "publisher": "Night Fision (sight maker) support knowledge base", "reliability": "secondary", "url": "https://nightfisionorg.freshdesk.com/support/solutions/articles/154000142823-what-is-the-glock-front-sight-screw-torque-spec-", "page": null, "pdfPage": null, "pageUrl": null, "quote": "The recommendation for a Glock front sight screw is to use 5-7 in/lbs. (0.565-0.791 N-m) of torque." } }, { "fastener": "Front sight screw", "appliesTo": "GLOCK pistols; Night Fision front sight with the Night Fision screw", "qualifier": "maximum", "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": "What is the Glock Front Sight Screw Torque Spec?", "publisher": "Night Fision (sight maker) support knowledge base", "reliability": "secondary", "url": "https://nightfisionorg.freshdesk.com/support/solutions/articles/154000142823-what-is-the-glock-front-sight-screw-torque-spec-", "page": null, "pdfPage": null, "pageUrl": null, "quote": "DO NOT EXCEED 10in/lbs. (1.13 N-m) of torque or risk of failure is very high." } }, { "fastener": "Front sight screw", "appliesTo": "GLOCK pistols; AmeriGlo front sight with AmeriGlo screw", "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": "Hold the front blade square and firmly during final tightening; the screw must stay seated squarely in the head (sight most likely to rotate off-center then).", "threadlocker": "\"a very small drop of Loctite on the end threads of the screw\"", "source": { "title": "Sight Installation Instructions", "publisher": "AmeriGlo (sight maker)", "reliability": "secondary", "url": "https://www.ameriglo.com/support/sight-installation-instructions", "page": null, "pdfPage": null, "pageUrl": null, "quote": "The screw should be tightened snugly (wrist-tight, 10 in-lbs) against the bottom of the slide." } }, { "fastener": "Optic plate to slide screws", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43X/48, RMR plate (Trijicon RMR/SRO/RMR HD/RCR)", "qualifier": "range", "value": 20, "valueMax": 25, "unit": "in-lb", "converted": { "value": { "N-m": 2.3, "in-lb": 20, "ft-lb": 1.7 }, "valueMax": { "N-m": 2.8, "in-lb": 25, "ft-lb": 2.1 } }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43X/48, RMR/RMR HD/RCR (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-RMRRMR-HDRCR_p_346.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Plate to slide: 20 to 25 in·lbs." } }, { "fastener": "Optic (sight) to plate screws", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43X/48, RMR plate (Trijicon RMR/SRO/RMR HD/RCR)", "qualifier": "range", "value": 12, "valueMax": 15, "unit": "in-lb", "converted": { "value": { "N-m": 1.4, "in-lb": 12, "ft-lb": 1 }, "valueMax": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.2 } }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43X/48, RMR/RMR HD/RCR (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-RMRRMR-HDRCR_p_346.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Sight to plate: 12-15 in·lbs.." } }, { "fastener": "Optic plate to slide screws", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43x/48, RMRcc plate (Trijicon RMRcc)", "qualifier": "range", "value": 15, "valueMax": 20, "unit": "in-lb", "converted": { "value": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.2 }, "valueMax": { "N-m": 2.3, "in-lb": 20, "ft-lb": 1.7 } }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43x/48, RMRcc (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43x48-RMRcc_p_536.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Plate to slide: 15 to 20 in·lbs." } }, { "fastener": "Optic (sight) to plate screws", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43x/48, RMRcc plate (Trijicon RMRcc)", "qualifier": "range", "value": 15, "valueMax": 18, "unit": "in-lb", "converted": { "value": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.2 }, "valueMax": { "N-m": 2, "in-lb": 18, "ft-lb": 1.5 } }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43x/48, RMRcc (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43x48-RMRcc_p_536.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Sight to plate: 15 to 18 in·lbs.." } }, { "fastener": "Optic plate to slide screws", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43X/48, ACRO plate", "qualifier": "range", "value": 20, "valueMax": 25, "unit": "in-lb", "converted": { "value": { "N-m": 2.3, "in-lb": 20, "ft-lb": 1.7 }, "valueMax": { "N-m": 2.8, "in-lb": 25, "ft-lb": 2.1 } }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43X/48, ACRO (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-ACRO_p_577.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Plate to slide: 20 to 25 in·lb." } }, { "fastener": "Aimpoint ACRO P1/P2 mounting screw", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43X/48, ACRO plate, Aimpoint ACRO P1/P2", "qualifier": "exact", "value": 26, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 2.9, "in-lb": 26, "ft-lb": 2.2 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43X/48, ACRO (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-ACRO_p_577.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "P1 and P2: 26 in·lb." } }, { "fastener": "Steiner MPS mounting screw", "appliesTo": "Glock 48 MOS with Forward Controls Design OPF-G43X/48, ACRO plate, Steiner MPS", "qualifier": "exact", "value": 20, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 2.3, "in-lb": 20, "ft-lb": 1.7 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "OPF-G43X/48, ACRO (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-ACRO_p_577.html", "page": null, "pdfPage": null, "pageUrl": null, "quote": "MPS: 20 in·lb." } }, { "fastener": "Optic adapter plate mounting screws (Holosun 407K/507K plate for Glock 43X/48 MOS)", "appliesTo": "Glock 48 MOS with HOLOSUN 407K/507K adapter plate", "qualifier": "exact", "value": 1.4, "valueMax": null, "unit": "N-m", "converted": { "value": { "N-m": 1.4, "in-lb": 12, "ft-lb": 1 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Adapter plate compatible with Holosun 407K/507K for Glock 43X 48 MOS & Hellcat OSP (product page)", "publisher": "HOLOSUN Europe (holosun.eu, operated by Picotronic GmbH, HOLOSUN European distributor)", "reliability": "secondary", "url": "https://www.holosun.eu/en/p/70189490", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Tightening torque recommended: 1,4 Nm" } }, { "fastener": "Optic adapter plate mounting screws (Holosun 407K/507K plate for Glock 43X/48 MOS)", "appliesTo": "Glock 48 MOS with HOLOSUN 407K/507K adapter plate", "qualifier": "maximum", "value": 1.7, "valueMax": null, "unit": "N-m", "converted": { "value": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.3 }, "valueMax": null }, "sequence": null, "threadlocker": null, "source": { "title": "Adapter plate compatible with Holosun 407K/507K for Glock 43X 48 MOS & Hellcat OSP (product page)", "publisher": "HOLOSUN Europe (holosun.eu, operated by Picotronic GmbH, HOLOSUN European distributor)", "reliability": "secondary", "url": "https://www.holosun.eu/en/p/70189490", "page": null, "pdfPage": null, "pageUrl": null, "quote": "tightening torque Maximum: 1,7 Nm" } }, { "fastener": "Red-dot optic mounting screws (6-32 flat head, supplied) into EGW rear-dovetail sight mount", "appliesTo": "Glock 48 (non-MOS slide only; EGW: 'Does not fit ANY/ALL Glock MOS models'); EGW notes the RMR mount is wider than this slide but still works with the EGW 'Trijicon RMR / SRO, Holosun 407c / 507c Sigh", "qualifier": "exact", "value": 15, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.2 }, "valueMax": null }, "sequence": "Remove the rear sight, install the EGW mount in the dovetail, tighten the set screw if applicable, place the optic on the mount, then apply blue Loctite and torque the optic screws.", "threadlocker": "Blue Loctite on the provided mounting screws (EGW instructions)", "source": { "title": "Trijicon RMR / SRO, Holosun 407c / 507c Sight Mount for Glock (EGW product page, installation instructions section)", "publisher": "Evolution Gun Works (EGW)", "reliability": "secondary", "url": "https://egwguns.com/trijicon-rmr-sro-holosun-407c-507c-mount-for-glock", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Torque mounting screws to 15in/lbs" } }, { "fastener": "Red-dot optic mounting screws (supplied) into EGW rear-dovetail sight mount (Docter/Venom/Viper/FastFire footprint)", "appliesTo": "Glock 48 (non-MOS slide only; EGW: 'Does not fit ANY/ALL Glock MOS models'); EGW notes the RMR mount is wider than this slide but still works with the EGW 'Glock Red Dot Mount | Fits Vortex Venom, Vip", "qualifier": "exact", "value": 15, "valueMax": null, "unit": "in-lb", "converted": { "value": { "N-m": 1.7, "in-lb": 15, "ft-lb": 1.2 }, "valueMax": null }, "sequence": "Remove the rear sight, install the EGW mount in the dovetail, tighten the set screw if applicable, place the optic on the mount, then apply blue Loctite and torque the optic screws.", "threadlocker": "Blue Loctite on the provided mounting screws (EGW instructions)", "source": { "title": "Glock Red Dot Mount | Fits Vortex Venom, Viper & Burris FastFire | EGW (EGW product page, installation instructions section)", "publisher": "Evolution Gun Works (EGW)", "reliability": "secondary", "url": "https://egwguns.com/vortex-viper-venom-glock-sight-mount-fits-burris-fastfire-and-docter", "page": null, "pdfPage": null, "pageUrl": null, "quote": "Torque mounting screws to 15 in/lbs" } } ], "notes": null }, { "id": "function-check", "title": "Function check", "checks": [ "Confirm the pistol is unloaded with no magazine inserted before each test.", "TRIGGER SAFETY TEST: with the trigger safety not depressed, the safety should prevent rearward movement of the trigger and the pistol should not dry fire.", "TRIGGER RESET TEST: with the muzzle in a safe direction, pull the trigger — you should hear and feel the firing pin release. Hold the trigger back, rack the slide, then release the trigger; it should reset to its forward position. Repeat this several times.", "SLIDE LOCK-OPEN TEST: insert an empty magazine, pull the slide fully to the rear, and confirm the slide locks open. Repeat with each of your magazines.", "With the slide in battery, push forward firmly on the muzzle. The pistol must not fire out of battery.", "Confirm the magazine drops free when the release is pressed." ], "videos": [] } ], "troubleshooting": [], "sources": [ { "n": 1, "id": "eu-assets-doc-518aec", "title": "GLOCK Owner's Manual — Models G17 to G48 (Instructions for Use)", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/bltebc27f0f8099f9f4/6a3bd649918bcf1447c2f9f6/54774_Instructions-for-use_Relaunch_Standard_g17-48-BT01_02a_062026-GLOCK-Inc.pdf", "accessed": "2026-09-14" }, { "n": 2, "id": null, "title": "GLOCK Owner's Resources — Downloadable Materials", "publisher": "GLOCK Ges.m.b.H.", "reliability": "primary", "url": "https://us.glock.com/en/owners-resources/downloadable-materials", "accessed": "2026-09-14" }, { "n": 3, "id": "glock-331eb3", "title": "GLOCK Slimline MOSK Accompanying Sheet (© GLOCK 2025, Art.Nr. 51957), linked from us.glock.com Downloadable Materials as 'MOSK Slimline Instruction Sheet'", "publisher": "GLOCK", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/blt1de0511817d6afd3/696fb58f30655f7ecfa0e4f2/MOSK_Accompanying_Sheet_Final.pdf", "accessed": "2026-09-27" }, { "n": 4, "id": "night-fision-sight-maker-support-kno-a64f0d", "title": "What is the Glock Front Sight Screw Torque Spec?", "publisher": "Night Fision (sight maker) support knowledge base", "reliability": "secondary", "url": "https://nightfisionorg.freshdesk.com/support/solutions/articles/154000142823-what-is-the-glock-front-sight-screw-torque-spec-", "accessed": "2026-09-27" }, { "n": 5, "id": "ameriglo-sight-maker-f92b9d", "title": "Sight Installation Instructions", "publisher": "AmeriGlo (sight maker)", "reliability": "secondary", "url": "https://www.ameriglo.com/support/sight-installation-instructions", "accessed": "2026-09-27" }, { "n": 6, "id": "forward-controls-design-c7c567", "title": "OPF-G43X/48, RMR/RMR HD/RCR (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-RMRRMR-HDRCR_p_346.html", "accessed": "2026-09-27" }, { "n": 7, "id": "forward-controls-design-8b8388", "title": "OPF-G43x/48, RMRcc (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43x48-RMRcc_p_536.html", "accessed": "2026-09-27" }, { "n": 8, "id": "forward-controls-design-8b06be", "title": "OPF-G43X/48, ACRO (product page)", "publisher": "Forward Controls Design", "reliability": "secondary", "url": "https://www.forwardcontrolsdesign.com/OPF-G43X48-ACRO_p_577.html", "accessed": "2026-09-27" }, { "n": 9, "id": "holosun-europe-holosun-eu-operated-b-10d7ce", "title": "Adapter plate compatible with Holosun 407K/507K for Glock 43X 48 MOS & Hellcat OSP (product page)", "publisher": "HOLOSUN Europe (holosun.eu, operated by Picotronic GmbH, HOLOSUN European distributor)", "reliability": "secondary", "url": "https://www.holosun.eu/en/p/70189490", "accessed": "2026-09-27" }, { "n": 10, "id": "us-specs-fc817a", "title": "GLOCK G48 — Technical Data (us.glock.com)", "publisher": "GLOCK, Inc.", "reliability": "primary", "url": "https://us.glock.com/en/products/commercial-firearms/pistols/g48", "accessed": "2026-10-03" }, { "n": 11, "id": "evolution-gun-works-egw-251c4c", "title": "Trijicon RMR / SRO, Holosun 407c / 507c Sight Mount for Glock (EGW product page, installation instructions section)", "publisher": "Evolution Gun Works (EGW)", "reliability": "secondary", "url": "https://egwguns.com/trijicon-rmr-sro-holosun-407c-507c-mount-for-glock", "accessed": "2026-10-11" }, { "n": 12, "id": "evolution-gun-works-egw-6980b4", "title": "Glock Red Dot Mount | Fits Vortex Venom, Viper & Burris FastFire | EGW (EGW product page, installation instructions section)", "publisher": "Evolution Gun Works (EGW)", "reliability": "secondary", "url": "https://egwguns.com/vortex-viper-venom-glock-sight-mount-fits-burris-fastfire-and-docter", "accessed": "2026-10-11" }, { "n": 13, "id": "pat-glock-linked-as-patents-from-the-us-29baa8", "title": "Virtual Patent Marking of GLOCK® Products (Version 1, Released: August, 2026)", "publisher": "GLOCK (linked as 'Patents' from the us.glock.com site footer)", "reliability": "primary", "url": "https://eu-assets.contentstack.com/v3/assets/bltf7171cc1cfc1a31f/blt1ccd0bce687f1446/6a732cbdd920822d940ca846/Virtual-Patent-Marking_20260805.pdf", "accessed": "2026-10-13" }, { "n": 14, "id": "tier-c9b5ec9b", "title": "GLOCK Armorer's Manual (2013), archive.org scan", "publisher": "GLOCK Ges.m.b.H. (scan hosted on archive.org)", "reliability": "primary", "url": "https://archive.org/details/glock-armorer-v-2013_202406", "accessed": "2026-10-29" }, { "n": 15, "id": "tier-442c2dbd", "title": "Disassembly Guide: Glocks", "publisher": "Apex Gunsmithing", "reliability": "secondary", "url": "https://apexgunsmithing.com/disassembly-guide-glocks/", "accessed": "2026-10-29" } ] }