{"product_id":"smith-wesson-model-19-k-frame-hammer-block-used-357-magnum","title":"Smith \u0026 Wesson Model 19 K Frame Hammer Block Used .357 Magnum - 19120B","description":"\u003ch2\u003eSmith \u0026amp; Wesson K-Frame Model 19 Hammer Block (Used)\u003c\/h2\u003e\u003cp\u003eThis is a used hammer block (firing-pin safety) from a Smith \u0026amp; Wesson K-Frame Model 19 Combat Magnum revolver. The hammer block is the safety component that keeps the firing pin from moving forward unless the trigger is pulled, so it plays a central role in the revolver's internal safety system. This is a used part, so please inspect the actual photos in this listing carefully before ordering.\u003c\/p\u003e\u003ch3\u003ePart Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart:\u003c\/strong\u003e K-Frame hammer block (firing-pin safety)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Model 19 Combat Magnum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e K Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .357 Magnum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListing Reference:\u003c\/strong\u003e 19120B (internal store reference, not a verified factory part number)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\u003cp\u003eThis hammer block is listed for the Smith \u0026amp; Wesson K-Frame Model 19 Combat Magnum. The chart below lists all Model 19 dash revisions with approximate production years, with known engineering-change boundaries called out. We are not able to verify dash-level differences in the hammer block design from this listing alone, so please confirm fitment against your revolver's serial number or consult a qualified gunsmith before ordering.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eApproximate Production Years\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-0\u003c\/td\u003e\n\u003ctd\u003e1957–1962\u003c\/td\u003e\n\u003ctd\u003eOriginal Model 19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-1\u003c\/td\u003e\n\u003ctd\u003e1962\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-2\u003c\/td\u003e\n\u003ctd\u003e1963–1966\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-3\u003c\/td\u003e\n\u003ctd\u003e1967–1968\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-4\u003c\/td\u003e\n\u003ctd\u003e1969–1970\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-5\u003c\/td\u003e\n\u003ctd\u003e1971–1972\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-6\u003c\/td\u003e\n\u003ctd\u003e1973–1977\u003c\/td\u003e\n\u003ctd\u003eLast original-production dash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-7\u003c\/td\u003e\n\u003ctd\u003e1997–1998\u003c\/td\u003e\n\u003ctd\u003e1997 MIM \u0026amp; revised internals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-8\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003eFinal pre-lock design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-9\u003c\/td\u003e\n\u003ctd\u003e2017–present\u003c\/td\u003e\n\u003ctd\u003eClassic Series reintroduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e19-10\u003c\/td\u003e\n\u003ctd\u003e2019–present\u003c\/td\u003e\n\u003ctd\u003eClassic Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eProduction years are approximate. Dash-level fitment should be confirmed before installation.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eBefore Installation\u003c\/h3\u003e\u003cp\u003eThis is a used part. The photos in this listing show the exact item you will receive, so please review them closely. Professional gunsmith installation is recommended for any internal safety component, and the hammer block must be correctly fitted and function-checked before the revolver is returned to use. This listing is for the hammer block only and does not include any other internal parts.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":31980834816058,"sku":"","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC00380_564073d9-980d-4ce4-b53e-50faf61db2e7.jpg?v=1790820014","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-model-19-k-frame-hammer-block-used-357-magnum","provider":"USA Guns And Gear","version":"1.0","type":"link"}