{"product_id":"smith-and-wesson-rear-adjustable-sight-mounting-screw-old-style-037350000","title":"Smith \u0026 Wesson Old Style Front Square Tang Sight Mounting Screw K L N Frame 037350000","description":"\u003ch2\u003eSmith \u0026amp; Wesson Old Style Front Square Tang Sight Mounting Screw – Part 037350000\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eGenuine OEM Factory Part | Old Style Design | Pre-1994 Production Era\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the authentic Smith \u0026amp; Wesson factory mounting screw for the old style front square tang adjustable rear sight used on K, L, and N Frame revolvers. S\u0026amp;W transitioned away from the old style square tang sight design circa 1994, replacing it with a revised sight and screw configuration. If your revolver was manufactured \u003cstrong\u003ebefore approximately 1994\u003c\/strong\u003e and features the original square tang front sight base, this is the correct screw.\u003c\/p\u003e\n\u003ch3\u003e🔍 Quick Identification – Don't Know Your Dash Number?\u003c\/h3\u003e\n\u003cp\u003eLook at the \u003cstrong\u003efront end of the rear sight leaf\u003c\/strong\u003e (where this screw installs):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSquare\/Flat End\u003c\/strong\u003e – This is the old style. \u003cstrong\u003eThis screw fits.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e❌ \u003cstrong\u003eRounded\/Curved End\u003c\/strong\u003e – This is the new style. A different, shorter screw is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ Transition Year Note:\u003c\/strong\u003e S\u0026amp;W sometimes used remaining old-style parts during the transition years (1993–1995). Always visually confirm whether the sight leaf end is square or rounded before ordering, regardless of dash number.\u003c\/p\u003e\n\u003ch3\u003eCompatibility – Full Model \u0026amp; Dash Number Chart\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ Important:\u003c\/strong\u003e This screw fits revolvers with the \u003cem\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003eold style front square tang\u003c\/span\u003e adjustable sight\u003c\/em\u003e. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eUse the dash number chart below to confirm compatibility.\u003c\/span\u003e Verify your revolver's dash number via the serial number and factory records before ordering.\u003c\/p\u003e\n\u003ch4\u003eK Frame (Medium Frame) – Verified Dash Number Cutoffs\u003c\/h4\u003e\n\u003cp\u003eThese models have confirmed old style \/ new style transition points. Any dash number at or before the cutoff uses this screw.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCompatible Dash Numbers (Old Style)\u003c\/th\u003e\n\u003cth\u003eNew Style Switch – Do Not Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 14 – .38 Special (K-38 Masterpiece)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 14- 6\u003c\/td\u003e\n\u003ctd\u003e14-7 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 15 – .38 Special (Combat Masterpiece)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 15-6\u003c\/td\u003e\n\u003ctd\u003e15-7 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 17 – .22 LR (K-22 Masterpiece) ⚠ Rimfire\u003c\/td\u003e\n\u003ctd\u003eNo dash through 17-6\u003c\/td\u003e\n\u003ctd\u003e17-7 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 18 – .22 LR (Combat Masterpiece) ⚠ Rimfire\u003c\/td\u003e\n\u003ctd\u003eNo dash through 18-4\u003c\/td\u003e\n\u003ctd\u003eDiscontinued\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 19 – .357 Magnum (Combat Magnum)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 19-6\u003c\/td\u003e\n\u003ctd\u003e19-7 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 48 – .22 Magnum ⚠ Rimfire\u003c\/td\u003e\n\u003ctd\u003eNo dash through 48-4\u003c\/td\u003e\n\u003ctd\u003e48-5 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 66 – .357 Magnum (stainless Combat Magnum)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 66-3\u003c\/td\u003e\n\u003ctd\u003e66-4 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 617 – .22 LR (stainless) ⚠ Rimfire\u003c\/td\u003e\n\u003ctd\u003eNo dash\u003c\/td\u003e\n\u003ctd\u003e617-1 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eK Frame – Additional Compatible Models (Verify Sight Type)\u003c\/h4\u003e\n\u003cp\u003eThese models were produced primarily before 1994 and are generally compatible, but exact dash-level cutoff data is unverified. \u003cstrong\u003eUse the Quick Identification method above to confirm your sight leaf is square\/flat before ordering.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003eL Frame (Large Frame) – Verified Dash Number Cutoffs\u003c\/h4\u003e\n\u003cp\u003eThe L Frame was introduced in 1980, so fewer dash numbers fall within the old style era.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCompatible Dash Numbers (Old Style)\u003c\/th\u003e\n\u003cth\u003eNew Style Switch – Do Not Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 586 – .357 Magnum (blued, adjustable sight)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 586-4\u003c\/td\u003e\n\u003ctd\u003e586-5 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 686 – .357 Magnum (stainless, adjustable sight)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 686-3\u003c\/td\u003e\n\u003ctd\u003e686-4 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eN Frame (Extra Large Frame) – Verified Dash Number Cutoffs\u003c\/h4\u003e\n\u003cp\u003eHeavy-duty revolvers. The sight transition occurred at the dash numbers listed below.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCompatible Dash Numbers (Old Style)\u003c\/th\u003e\n\u003cth\u003eNew Style Switch – Do Not Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 25 – .45 ACP \/ .45 Colt\u003c\/td\u003e\n\u003ctd\u003eNo dash through 25-8\u003c\/td\u003e\n\u003ctd\u003e25-9 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 27 – .357 Magnum\u003c\/td\u003e\n\u003ctd\u003eNo dash through 27-5\u003c\/td\u003e\n\u003ctd\u003e27-6 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 29 – .44 Magnum\u003c\/td\u003e\n\u003ctd\u003eNo dash through 29-5\u003c\/td\u003e\n\u003ctd\u003e29-6 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 57 – .41 Magnum\u003c\/td\u003e\n\u003ctd\u003eNo dash through 57-2\u003c\/td\u003e\n\u003ctd\u003e57-3 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 624 – .44 Special (stainless, limited run)\u003c\/td\u003e\n\u003ctd\u003eNo dash\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 625 – .45 ACP (stainless)\u003c\/td\u003e\n\u003ctd\u003e625-2, 625-3, 625-4\u003c\/td\u003e\n\u003ctd\u003e625-5 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 627 – .357 Magnum (stainless)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 627-1\u003c\/td\u003e\n\u003ctd\u003e627-2 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 629 – .44 Magnum (stainless)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 629-3\u003c\/td\u003e\n\u003ctd\u003e629-4 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 657 – .41 Magnum (stainless)\u003c\/td\u003e\n\u003ctd\u003eNo dash through 657-3\u003c\/td\u003e\n\u003ctd\u003e657-4 (1994)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 037350000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Factory New – Genuine OEM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Factory specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSight Type:\u003c\/strong\u003e Old style front square tang adjustable rear sight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduction Era:\u003c\/strong\u003e Pre-1994 revolvers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Genuine OEM Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eExact thread pitch and head geometry – no risk of cross-threading or sight drift\u003c\/li\u003e\n\u003cli\u003eCorrect torque retention under recoil\u003c\/li\u003e\n\u003cli\u003ePreserves collector and resale value of vintage revolvers\u003c\/li\u003e\n\u003cli\u003eManufactured to the same spec as the original factory part\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis screw secures the front square tang of the adjustable rear sight assembly to the revolver frame. Use the correct flat-blade screwdriver bit sized to the slot to avoid marring. Apply a minimal amount of thread-locking compound if the screw has a history of loosening. Verify sight zero after installation. Professional gunsmith installation recommended if unfamiliar with S\u0026amp;W sight systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn Stock \u0026amp; Ready to Ship\u003c\/strong\u003e | \u003cstrong\u003eGenuine S\u0026amp;W OEM Part\u003c\/strong\u003e | \u003cstrong\u003eExpert Support Available\u003c\/strong\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":6118308937766,"sku":"037350000","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/263447745769-0_240.jpg?v=1571386288","url":"https:\/\/usagunsandgear.com\/products\/smith-and-wesson-rear-adjustable-sight-mounting-screw-old-style-037350000","provider":"USA Guns And Gear","version":"1.0","type":"link"}