{"product_id":"smith-wesson-k-frame-model-10-thumb-piece-nut-blue-steel-old-style-used-10179d","title":"Smith \u0026 Wesson K Frame Model 10 Thumb Piece \u0026 Nut Blue Steel Old Style Used Part 10179D","description":"\u003cp\u003e\u003cstrong\u003eSmith \u0026amp; Wesson K Frame Model 10 Thumb Piece \u0026amp; Nut — Blue Steel Old Style | Used | Part #10179D\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFactory OEM thumb piece and nut assembly for Smith \u0026amp; Wesson K Frame Model 10 revolvers, old style design in blue steel finish. The thumb piece is the external lever you press to release the cylinder latch, allowing the cylinder to swing out for loading, unloading, and cleaning. The nut secures the thumb piece to the cylinder latch mechanism inside the frame. Genuine S\u0026amp;W factory part in used condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis listing is for the thumb piece and nut assembly only.\u003c\/em\u003e Condition: Used, factory original.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: 10179D\u003c\/li\u003e\n\u003cli\u003eFrame: K Frame\u003c\/li\u003e\n\u003cli\u003eModel: Model 10\u003c\/li\u003e\n\u003cli\u003eCaliber: .38 Special\u003c\/li\u003e\n\u003cli\u003eDesign: Old Style\u003c\/li\u003e\n\u003cli\u003eComponents: Thumb Piece + Nut\u003c\/li\u003e\n\u003cli\u003eFinish: Blue Steel\u003c\/li\u003e\n\u003cli\u003eCondition: Used \/ Factory Original OEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eModel Compatibility Chart\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 10\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eBlue Steel\u003c\/td\u003e\n\u003ctd\u003eOld style thumb piece variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis old style thumb piece is specific to blued K Frame Model 10 revolvers. Verify fitment before ordering — thumb piece design and nut thread pitch can vary between production runs and dash numbers. Not compatible with stainless (Model 64) or later production models using updated thumb piece designs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePressing the thumb piece rearward releases the cylinder latch, allowing the cylinder to swing out on the crane for loading and unloading. The nut threads onto the cylinder latch stud inside the frame to retain the thumb piece. A worn, bent, or damaged thumb piece can cause the cylinder to fail to latch securely or release unexpectedly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGunsmith installation recommended. Proper fitting ensures smooth cylinder release without binding or excessive play. Incorrect installation can affect cylinder lockup and safe operation.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":39516372303930,"sku":"10179D","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC06529_8d6eb7c5-4f23-459d-bead-2963eac3f3e5.jpg?v=1770738946","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-10-thumb-piece-nut-blue-steel-old-style-used-10179d","provider":"USA Guns And Gear","version":"1.0","type":"link"}