{"product_id":"smith-wesson-mp-40-shield-barrel-3in-40sw-used-40s8","title":"Smith \u0026 Wesson M\u0026P 40 Shield Barrel 3\" .40 S\u0026W Used Part 40S8","description":"\u003ch2\u003eSmith \u0026amp; Wesson M\u0026amp;P 40 Shield 3\" Barrel — .40 S\u0026amp;W | Part #40S8\u003c\/h2\u003e\u003cp\u003eThis listing is for a \u003cstrong\u003egenuine Smith \u0026amp; Wesson factory 3\" barrel\u003c\/strong\u003e for the M\u0026amp;P 40 Shield chambered in .40 S\u0026amp;W. This is a used OEM part in good working condition — a cost-effective solution for gunsmiths and owners needing a reliable replacement without paying new part prices.\u003c\/p\u003e\u003cp\u003eThe barrel is the heart of your pistol's accuracy and reliability. Replacing a worn, damaged, or eroded barrel with a genuine OEM unit restores factory tolerances, proper headspacing, and consistent performance.\u003c\/p\u003e\u003ch3\u003ePart Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 40S8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used — good working condition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM:\u003c\/strong\u003e Genuine Smith \u0026amp; Wesson factory part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .40 S\u0026amp;W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 3\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Barrel only — no sights, recoil spring, or slide components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCondition Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✓ Rifling intact and functional\u003c\/li\u003e\n\u003cli\u003e✓ Chamber clean and properly dimensioned\u003c\/li\u003e\n\u003cli\u003e✓ No cracks, bulges, or structural damage\u003c\/li\u003e\n\u003cli\u003e✓ Locking lugs in good condition\u003c\/li\u003e\n\u003cli\u003e✓ Bore clear and functional\u003c\/li\u003e\n\u003cli\u003eMay show cosmetic wear (finish wear, holster marks) — does not affect function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eModel Compatibility\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eGeneration\u003c\/th\u003e\n\u003cth\u003eCaliber\u003c\/th\u003e\n\u003cth\u003eBarrel Length\u003c\/th\u003e\n\u003cth\u003eCompatible\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u0026amp;P 40 Shield\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e.40 S\u0026amp;W\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003e✓ Yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u0026amp;P 40 Shield\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e.40 S\u0026amp;W\u003c\/td\u003e\n\u003ctd\u003e3\"\u003c\/td\u003e\n\u003ctd\u003eVerify fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u0026amp;P 9 Shield\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e✗ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u0026amp;P Shield Plus\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e✗ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u0026amp;P Shield EZ\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003ctd\u003eAny\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e✗ No\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cem\u003eCaliber-specific part — .40 S\u0026amp;W only. Not compatible with 9mm, Shield Plus, or Shield EZ platforms.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGunsmith installation recommended\u003c\/li\u003e\n\u003cli\u003eFull slide disassembly required\u003c\/li\u003e\n\u003cli\u003eMay require minor fitting for optimal lockup\u003c\/li\u003e\n\u003cli\u003eFunction-test after installation is mandatory\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Contact our firearms parts experts at \u003ca href=\"mailto:sales@usagunsandgear.com\"\u003esales@usagunsandgear.com\u003c\/a\u003e or call \u003ca href=\"tel:7705448075\"\u003e770-544-8075\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNo shipping outside the U.S. Pre-owned parts sold as-is.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41063610449978,"sku":"40S8","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC08917.jpg?v=1760980585","url":"https:\/\/usagunsandgear.com\/products\/smith-wesson-mp-40-shield-barrel-3in-40sw-used-40s8","provider":"USA Guns And Gear","version":"1.0","type":"link"}