{"product_id":"smith-wesson-k-frame-rimfire-hammer-models-17-18-48-k113b","title":"Smith \u0026 Wesson K Frame Hammer - Models 17, 18, 48 - .375\" Spur - Old Style - Used - .22 Rimfire K113B","description":"\u003cp\u003e\u003cstrong\u003eFactory OEM Smith \u0026amp; Wesson K Frame Rimfire Hammer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e K113B\u003cbr\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e K Frame Models 17, 18, 48 (Rimfire Only)\u003cbr\u003e\u003cstrong\u003eCaliber:\u003c\/strong\u003e .22 LR \/ .22 Magnum (Rimfire)\u003cbr\u003e\u003cstrong\u003eSpur Width:\u003c\/strong\u003e .375\" (Target Spur)\u003cbr\u003e\u003cstrong\u003eStyle:\u003c\/strong\u003e Old Style\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003cbr\u003e\u003cstrong\u003eFrame Size:\u003c\/strong\u003e K Frame\u003c\/p\u003e\n\u003cp\u003eThis is an authentic Smith \u0026amp; Wesson factory hammer designed specifically for K Frame rimfire revolvers. The hammer is a critical fire control component that strikes the firing pin to ignite the primer. This old-style hammer features a .375\" target spur for improved cocking control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Smith \u0026amp; Wesson factory part\u003c\/li\u003e\n\u003cli\u003e.375\" wide target spur for enhanced grip and control\u003c\/li\u003e\n\u003cli\u003eOld-style configuration for early production models\u003c\/li\u003e\n\u003cli\u003eUsed condition with functional operation\u003c\/li\u003e\n\u003cli\u003eRimfire-specific design (not compatible with centerfire models)\u003c\/li\u003e\n\u003cli\u003eDirect replacement for worn or damaged hammers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIMPORTANT Compatibility Note:\u003c\/strong\u003e This hammer is designed ONLY for K Frame rimfire revolvers (Models 17, 18, 48, 617, 648, K22). Rimfire hammers have a different firing pin configuration and are NOT interchangeable with centerfire K Frame models (10, 12, 13, 14, 15, 16, 19, 64, 65, 66, 67). All other K Frame internal parts are interchangeable between rimfire and centerfire, but the hammer is the exception.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel Compatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel 17 - K22 Masterpiece (.22 LR)\u003c\/li\u003e\n\u003cli\u003eModel 18 - Combat Masterpiece (.22 LR)\u003c\/li\u003e\n\u003cli\u003eModel 48 - K22 Masterpiece (.22 Magnum)\u003c\/li\u003e\n\u003cli\u003eAlso compatible with Models 617 and 648 (modern rimfire K Frames)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional gunsmith installation required. The hammer is an internal fire control component that requires complete disassembly. Proper fitting, timing, and function testing are essential for safe operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Identify Your Smith \u0026amp; Wesson Model:\u003c\/strong\u003e Swing out the cylinder and check behind the yoke on the frame for the model number. Model numbers began in 1957-58. If you need assistance identifying your revolver or confirming compatibility, contact us with your serial number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Contact us at \u003ca href=\"mailto:sales@usagunsandgear.com\"\u003esales@usagunsandgear.com\u003c\/a\u003e or call 770-544-8075. We specialize in Smith \u0026amp; Wesson pistol and revolver parts - new, used, NOS, and refurbished.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40003172794426,"sku":"K113B","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC09963_5e259a65-d7db-4830-9201-1382f2688533.jpg?v=1691613000","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-rimfire-hammer-models-17-18-48-k113b","provider":"USA Guns And Gear","version":"1.0","type":"link"}