{"product_id":"smith-wesson-k-frame-model-66-357-magnum-thumb-piece-nut-assembly-66177","title":"S\u0026W K Frame Model 66 .357 Magnum Thumb Piece \u0026 Nut Assembly Stainless Steel 66177","description":"\u003ch3\u003eSmith \u0026amp; Wesson K Frame Model 66 .357 Magnum Thumb Piece \u0026amp; Nut Assembly\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 66177\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used OEM\u003cbr\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless Steel\u003cbr\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Old Style\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003eThis thumb piece and nut assembly is designed for Smith \u0026amp; Wesson K Frame Model 66 .357 Magnum revolvers. The K Frame platform is centerfire and compatible across all centerfire K Frame models (10, 11, 12, 13, 14, 15, 16, 19, 53, 64, 65, 66, 67). This old-style configuration ensures proper fit and function for vintage K66 platforms.\u003c\/p\u003e\u003ch4\u003eCondition Notes\u003c\/h4\u003e\u003cp\u003eUsed OEM component removed from service. Inspect upon receipt to verify fit and finish meet your requirements.\u003c\/p\u003e\u003ch4\u003eInstallation\u003c\/h4\u003e\u003cp\u003eDirect replacement for worn or damaged thumb piece assemblies. Professional installation recommended to ensure proper cylinder latch engagement and timing.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41120748109882,"sku":"66177","price":22.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC00008_3e25689d-85dd-408b-8ce4-0e682e7febd2.jpg?v=1767642833","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-66-357-magnum-thumb-piece-nut-assembly-66177","provider":"USA Guns And Gear","version":"1.0","type":"link"}