{"product_id":"smith-wesson-k-frame-model-10-7-hand-old-style-used-10129ab","title":"Smith \u0026 Wesson K Frame Model 10-7 Hand Old Style Used Part 10129AB","description":"\u003cp\u003e\u003cstrong\u003eSmith \u0026amp; Wesson K Frame Model 10-7 Hand — Old Style | Used | Part #10129AB\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFactory OEM hand (cylinder rotation pawl) for Smith \u0026amp; Wesson K Frame Model 10-7 revolvers, old style design. The hand engages the ratchet on the rear of the cylinder to rotate it as the hammer is cocked, indexing each chamber into precise alignment with the barrel. A critical timing component for safe and accurate revolver operation. Genuine S\u0026amp;W factory part in used condition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis listing is for the hand 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: 10129AB\u003c\/li\u003e\n\u003cli\u003eFrame: K Frame\u003c\/li\u003e\n\u003cli\u003eModel: Model 10-7\u003c\/li\u003e\n\u003cli\u003eCaliber: .38 Special\u003c\/li\u003e\n\u003cli\u003eDesign: Old Style\u003c\/li\u003e\n\u003cli\u003eComponent: Hand (Cylinder Rotation Pawl)\u003c\/li\u003e\n\u003cli\u003eMaterial: 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\u003eDash\u003c\/th\u003e\n\u003cth\u003eCaliber\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\u003e10-7\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003eOld style hand; verify dash number before ordering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThis hand is specific to the Model 10-7 dash variant. Hand geometry and ratchet engagement dimensions can vary between dash numbers. Verify your revolver’s dash number (stamped on the frame under the cylinder crane) before ordering. Gunsmith fitting required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hand operates in both single-action and double-action modes, engaging the cylinder ratchet to rotate the cylinder one chamber per trigger pull or hammer cock. Proper hand length and tip geometry are critical for correct cylinder timing — the cylinder must be fully locked before the hammer falls. A worn hand causes cylinder timing failures, skipped chambers, or dangerous barrel\/cylinder misalignment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Note\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional gunsmith installation required. Hand fitting is a precision operation — incorrect length or tip geometry will cause timing failures or cylinder binding. Do not attempt installation without proper tools and training.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":39489334902842,"sku":"10129AB","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC05514.jpg?v=1770741693","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-k-frame-model-10-7-hand-old-style-used-10129ab","provider":"USA Guns And Gear","version":"1.0","type":"link"}