{"product_id":"smith-wesson-k-frame-model-12-airweight-hammer-240-wide-spur-12112b","title":"Smith \u0026 Wesson K Frame Model 12 Airweight Hammer Assembly .240\" Wide Spur — Used Part 12112B","description":"\u003ch2\u003eSmith \u0026amp; Wesson K Frame Model 12 Airweight Hammer Assembly — .240\" Wide Spur, Used OEM Part\u003c\/h2\u003e\n\u003cp\u003eGenuine used Smith \u0026amp; Wesson factory hammer assembly for the Model 12 Airweight K Frame revolver chambered in .38 Special. This centerfire hammer features a .240\" wide spur for positive thumb cocking and is a direct OEM replacement for a worn, damaged, or missing hammer. Removed from a functioning revolver and inspected for serviceability — no cracks or damage, normal wear consistent with use.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 12112B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 12 (K Frame Airweight)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Hammer Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpur Width:\u003c\/strong\u003e .240\" (Wide Spur)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 Special (centerfire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e K Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — original factory part, inspected and serviceable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eModel Compatibility Chart\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"border-bottom:2px solid #ddd;\"\u003e\n\u003cth style=\"text-align:left; padding:8px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:8px;\"\u003eFrame\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:8px;\"\u003eCaliber\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:8px;\"\u003eCompatibility\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 12 (no dash)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame Airweight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 Special\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 12-1\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame Airweight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 Special\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 12-2\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame Airweight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 Special\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 12-3\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame Airweight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 Special\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✓ Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 10 (all dash variants)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 Special\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e⚠ Verify fit — non-Airweight, same caliber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 11 (Airweight, .38 S\u0026amp;W)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame Airweight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.38 S\u0026amp;W\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e⚠ Verify fit — different caliber, same frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 13, 65 (.357 Magnum)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.357 Magnum\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✗ Not compatible — .357 Magnum hammer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 17, 18, 48, 617, 648 (rimfire)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e.22 LR \/ .22 WMR\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✗ Not compatible — rimfire hammer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid #eee;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel 14, 15, 19\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eK Frame\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eVarious\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e✗ Not compatible — different models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis listing is for the hammer assembly only.\u003c\/strong\u003e Hammer strut, mainspring, hammer pin, and associated parts are sold separately.\u003c\/li\u003e\n\u003cli\u003eThis is a \u003cstrong\u003ecenterfire\u003c\/strong\u003e hammer. It is \u003cstrong\u003enot compatible\u003c\/strong\u003e with rimfire K Frame models (17, 18, 48, 617, 648).\u003c\/li\u003e\n\u003cli\u003eThe Model 12 is a K Frame Airweight revolver with an aluminum alloy frame. Verify your specific dash variant before ordering.\u003c\/li\u003e\n\u003cli\u003eThis is a \u003cstrong\u003eused\u003c\/strong\u003e part in serviceable condition. May show minor wear consistent with normal use. No cracks or damage.\u003c\/li\u003e\n\u003cli\u003eProfessional gunsmith installation recommended for proper hammer fit, timing, and function.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41520600645690,"sku":"12112B","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC01948.jpg?v=1787151339","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-12-airweight-hammer-240-wide-spur-12112b","provider":"USA Guns And Gear","version":"1.0","type":"link"}