{"product_id":"sw-model-39-39-2-sear-housing-insert-used-oem-39-n","title":"Smith \u0026 Wesson Model 39 \/ 39-2 Sear Housing Insert | Used OEM Part 39-N","description":"\u003ch2\u003eSmith \u0026amp; Wesson Model 39 \/ 39-2 Sear Housing Insert — Used OEM Part #39-N\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThis listing is for one (1) used Smith \u0026amp; Wesson OEM sear housing insert, Part #39-N, removed from a factory Model 39-2 9mm pistol.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe sear housing insert (also called the sear housing block or frame insert) is the precision-machined sub-frame component that houses the sear, disconnector, and trigger mechanism within the pistol frame. It is one of the most critical fire control components in the Model 39 platform — essential for proper sear geometry, trigger timing, and safe operation. This is a genuine Smith \u0026amp; Wesson factory part in used condition, inspected for functionality — ideal for repair or replacement of a worn, cracked, or missing original.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Smith \u0026amp; Wesson\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 39-N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used (factory original, inspected for function)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneration:\u003c\/strong\u003e 1st Generation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Sear Housing Insert\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eGeneration\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 39\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e1st Gen\u003c\/td\u003e\n\u003ctd\u003e✓ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 39-2\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e1st Gen\u003c\/td\u003e\n\u003ctd\u003e✓ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 439 (Alloy)\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e2nd Gen\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — generation-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 539 (Steel)\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e2nd Gen\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — generation-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 639 (Stainless)\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e2nd Gen\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — generation-specific\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel 59 \/ 459 \/ 659\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e1st \/ 2nd Gen\u003c\/td\u003e\n\u003ctd\u003e✗ Verify — double-stack platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: Part #39-N is confirmed for Model 39 and 39-2 (1st Generation single-stack 9mm). This is a precision-fitted internal component — compatibility with 2nd Generation or double-stack models must be verified before ordering. Professional gunsmith installation is required to ensure proper sear geometry, trigger timing, and safe operation.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003ePlease contact us with any questions before purchasing. We are happy to help confirm compatibility with your specific pistol.\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":40875396333626,"sku":"39-N","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/s-l960_12_9a1fd8c2-6d9d-4d4c-8095-35f5eb4109d4.webp?v=1747677609","url":"https:\/\/usagunsandgear.com\/products\/sw-model-39-39-2-sear-housing-insert-used-oem-39-n","provider":"USA Guns And Gear","version":"1.0","type":"link"}