{"product_id":"smith-wesson-k-frame-model-18-3-thumb-piece-nut-blue-steel-18179a","title":"Smith \u0026 Wesson K Frame Model 18-3 Thumb Piece \u0026 Nut, Blue Steel, Plated Style, Used, Part# 18179A","description":"\u003ch2\u003eSmith \u0026amp; Wesson K Frame Model 18-3 Thumb Piece \u0026amp; Nut\u003c\/h2\u003e\u003cp\u003eA genuine used Smith \u0026amp; Wesson thumb piece and nut assembly pulled from a Model 18-3 revolver. The blue steel finish with plated style detailing makes this a correct replacement for restoring or repairing your K Frame .22 LR revolver to factory spec. The thumb piece (cylinder release latch) is a critical control component — having the right part matters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Smith \u0026amp; Wesson K Frame — Model 18-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .22 Long Rifle (rimfire)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Blue Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Plated Style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Thumb Piece \u0026amp; Nut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used, original factory part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 18179A\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNote: This thumb piece is specific to the K Frame platform. Verify model compatibility before ordering — K Frame parts are not interchangeable with J, L, N, or X Frame revolvers.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41490275532858,"sku":"18179A","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSCF0001_2e0bf800-313d-4401-ba25-fd49e9e1cbdd.jpg?v=1782496946","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-18-3-thumb-piece-nut-blue-steel-18179a","provider":"USA Guns And Gear","version":"1.0","type":"link"}