{"product_id":"sw-j-frame-thumb-piece-nut-new-style-357-mag-used-340181a","title":"S\u0026W J Frame Thumb Piece \u0026 Nut New Style .357 Mag Used, Part 340181A","description":"\u003cp\u003eFactory OEM Smith \u0026amp; Wesson thumb piece and retaining nut assembly for J Frame centerfire revolvers, new-style design. Used surplus part in good working condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 340181A\u003c\/li\u003e\n\u003cli\u003eIncludes: Thumb piece and retaining nut\u003c\/li\u003e\n\u003cli\u003eStyle: New Style\u003c\/li\u003e\n\u003cli\u003eCaliber: .357 Magnum \/ .38 Special (centerfire)\u003c\/li\u003e\n\u003cli\u003eFrame Size: J Frame\u003c\/li\u003e\n\u003cli\u003eCondition: Used \/ Surplus\u003c\/li\u003e\n\u003cli\u003eBrand: Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe thumb piece (cylinder release latch) allows the shooter to swing the cylinder out of the frame for loading and unloading. The retaining nut secures the thumb piece to the frame. A worn, bent, or missing thumb piece will prevent cylinder release and render the revolver inoperable. Replace with this factory assembly to restore proper cylinder release function.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 340\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eNew style — verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 340PD\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eAirLite Sc — New style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 360\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eNew style — verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 360PD\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eNew style — verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 640\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eNew style — verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 649\u003c\/td\u003e\n\u003ctd\u003e.357 Mag \/ .38 Spl\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003eNew style — verify before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This is a \u003cstrong\u003enew-style\u003c\/strong\u003e thumb piece. Verify your revolver uses the new-style design before ordering — old and new style thumb pieces are not interchangeable. Rimfire J Frame models (43, 63, 317) are not compatible.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional installation by a qualified gunsmith is recommended. Verify smooth cylinder release and positive lockup before returning to service.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41272166744122,"sku":"340181A","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC00585.jpg?v=1772466154","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-thumb-piece-nut-new-style-357-mag-used-340181a","provider":"USA Guns And Gear","version":"1.0","type":"link"}