{"product_id":"apex-tact-j-frm-duty-spring-kit","title":"Apex Tactical J-Frame Duty Spring Kit – S\u0026W J-Frame Revolvers","description":"\u003cp\u003eThe Apex Tactical J-Frame Duty Spring Kit replaces the factory mainspring and rebound spring in Smith \u0026amp; Wesson J-Frame revolvers to deliver a smoother, lighter trigger pull without compromising reliability. Designed for duty and defensive carry, this kit reduces trigger pull weight while maintaining positive ignition with all factory ammunition types.\u003c\/p\u003e\u003cp\u003eMachined from heat-treated chrome silicon alloy steel with a precision ground finish, these springs are engineered for consistent performance under heavy use. Installation requires basic gunsmithing tools and experience with revolver internals—function testing with your carry ammunition is essential after installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Trigger Spring Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Smith \u0026amp; Wesson J-Frame Revolvers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Chrome Silicon Alloy Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Heat-Treated, Precision Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Gunsmithing Experience Recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Mainspring, Rebound Spring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Apex Tactical Specialties","offers":[{"title":"Default Title","offer_id":47940659020031,"sku":"APXJFRMDCSK","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1241164.jpg?v=1766564902","url":"https:\/\/doublestackstore.com\/products\/apex-tact-j-frm-duty-spring-kit","provider":"Double Stack Store","version":"1.0","type":"link"}