{"product_id":"sw-j-frame-model-30-hammer-block-used","title":"Smith \u0026 Wesson J Frame Model 30 Hammer Block - Used","description":"\u003cp\u003e\u003cstrong\u003eThis listing is for a used Smith \u0026amp; Wesson J Frame Model 30 hammer block. Factory OEM part sold as-is.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe hammer block is a critical passive safety component in the J Frame revolver. It physically blocks the hammer from contacting the firing pin unless the trigger is fully depressed, preventing accidental discharge if the revolver is dropped or the hammer is struck. This used factory hammer block is correct for the Model 30 — S\u0026amp;W's classic .32 S\u0026amp;W Long Hand Ejector — and is an essential safety-critical part for gunsmiths performing action work or restoration on this vintage revolver.\u003c\/p\u003e\n\n\u003ch2\u003ePart Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e JB3008\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart:\u003c\/strong\u003e Hammer Block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Smith \u0026amp; Wesson J Frame Model 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .32 S\u0026amp;W Long\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e J Frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM:\u003c\/strong\u003e Smith \u0026amp; Wesson Factory Part\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eModel Compatibility\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eFrame\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 30\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.32 S\u0026amp;W Long\u003c\/td\u003e\n\u003ctd\u003e✅ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 30-1\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.32 S\u0026amp;W Long\u003c\/td\u003e\n\u003ctd\u003e⚠️ Verify dash number\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 31\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.32 S\u0026amp;W Long\u003c\/td\u003e\n\u003ctd\u003e⚠️ Verify fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 32 (Pre-Model)\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.32 S\u0026amp;W Long\u003c\/td\u003e\n\u003ctd\u003e⚠️ Verify fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 36 \/ 60 \/ 37\u003c\/td\u003e\n\u003ctd\u003eJ Frame\u003c\/td\u003e\n\u003ctd\u003e.38 Special\u003c\/td\u003e\n\u003ctd\u003e❌ No — different caliber\/generation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: The Model 30 is chambered in .32 S\u0026amp;W Long, distinct from .38 Special. Hammer block fitment can vary between production eras and dash numbers. Always confirm your model and dash number before ordering. To find your model number, swing out the cylinder and check behind the yoke on the frame. Models without a number predate 1957–58 — contact us with your serial number for assistance.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eThe hammer block is a safety-critical component. Disassembly and reassembly by a qualified gunsmith is required. Verify correct function after installation before returning the firearm to service. Factory replacement parts are manufactured to the same specifications, tolerances, and materials as the originals.\u003c\/p\u003e\n\n\u003cp\u003eQuestions? Shoot us an email or give us a call — we're here for all your S\u0026amp;W needs.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":39296076939322,"sku":"JB3008","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/products\/DSC09272_eec78128-f847-48e0-a7f7-aed372672594.jpg?v=1786111607","url":"https:\/\/usagunsandgear.com\/products\/sw-j-frame-model-30-hammer-block-used","provider":"USA Guns And Gear","version":"1.0","type":"link"}