{"product_id":"sw-model-457d-mainspring-plunger-spring-used-457d16","title":"Smith \u0026 Wesson Model 457D Mainspring \u0026 Plunger Spring, Used - Part# 457D16","description":"\u003ch2\u003eSmith \u0026amp; Wesson Model 457D Mainspring \u0026amp; Plunger Spring\u003c\/h2\u003e\u003cp\u003eKeep your S\u0026amp;W compact .45 ACP pistol running reliably with this original factory mainspring and plunger spring set. These are the critical fire control springs that drive the hammer and maintain consistent trigger function — essential for any rebuild, repair, or preventive maintenance on your 3rd-generation compact.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 457D16\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Used, factory original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Smith \u0026amp; Wesson Model 457D and compatible 3rd-generation compact .45 ACP pistols (see compatibility below)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Mainspring \u0026amp; Plunger Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .45 ACP\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cp\u003eThis mainspring and plunger spring is compatible with the following Smith \u0026amp; Wesson 3rd-generation compact .45 ACP pistols:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eModel 457 \/ 457D (Alloy frame, .45 ACP)\u003c\/li\u003e\n\u003cli\u003eModel 4516 (Stainless compact, .45 ACP)\u003c\/li\u003e\n\u003cli\u003eModel 4526 (Stainless compact, .45 ACP)\u003c\/li\u003e\n\u003cli\u003eModel 4536 (Stainless compact, .45 ACP)\u003c\/li\u003e\n\u003cli\u003eModel 4546 (Stainless compact, .45 ACP)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eAlways verify fitment against your specific model and serial number before installation. Used parts are sold as-is.\u003c\/em\u003e\u003c\/p\u003e","brand":"Smith \u0026 Wesson","offers":[{"title":"Default Title","offer_id":41475532718138,"sku":"457D16","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1423\/2020\/files\/DSC01590.jpg?v=1781805667","url":"https:\/\/usagunsandgear.com\/products\/sw-model-457d-mainspring-plunger-spring-used-457d16","provider":"USA Guns And Gear","version":"1.0","type":"link"}