{"product_id":"sw-j-frame-model-42-centennial-airweight-bolt-flat-latch-thumb-piece-j4245","title":"Smith \u0026 Wesson J Frame Model 42 Centennial Airweight Bolt for Flat Latch Thumb Piece - Part #J4245","description":"\u003ch2\u003eSmith \u0026amp; Wesson J Frame Model 42 Centennial Airweight – Bolt for Flat Latch Thumb Piece\u003c\/h2\u003e\n\u003cp\u003eKeep your Model 42 cycling smoothly with this original Smith \u0026amp; Wesson bolt (cylinder stop) designed specifically for the flat latch thumb piece configuration. This is the part that locks the cylinder in place during firing — a critical component for reliable revolver function. Whether you're restoring a classic Centennial Airweight or replacing a worn part, this is the correct OEM-spec piece for the job.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e J4245\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Smith \u0026amp; Wesson J Frame Model 42 Centennial Airweight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .38 Special\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStyle:\u003c\/strong\u003e Flat Latch Thumb Piece (Old Style)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used, original S\u0026amp;W part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Size:\u003c\/strong\u003e J Frame\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis bolt is designed for the \u003cstrong\u003eModel 42\u003c\/strong\u003e with the flat latch thumb piece. It may also be compatible with other early J Frame .38 Special models sharing the same bolt configuration — verify your thumb piece style before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Used part. Inspect upon receipt and test fit before installation. Recommend fitting by a qualified gunsmith.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41363640090682,"sku":"J4245","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC00917.jpg?v=1776102083","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-model-42-centennial-airweight-bolt-flat-latch-thumb-piece-j4245","provider":"USA Guns And Gear","version":"1.0","type":"link"}