{"product_id":"luth-ar-lower-parts-kit-builder","title":"Luth-AR Lower Parts Kit Builder – AR-15 Compatible","description":"\u003cp\u003eThe Luth-AR Lower Parts Kit Builder provides the essential components needed to complete an AR-15 lower receiver build. This kit includes the trigger assembly, hammer, disconnector, safety selector, magazine catch, bolt catch, pivot pins, takedown pins, and all necessary springs and detents. It's designed for builders who already have a grip, trigger guard, and buffer system, allowing you to customize those components separately.\u003c\/p\u003e\u003cp\u003eConstructed from mil-spec steel and aluminum components with a black oxide or phosphate finish, this kit meets standard AR-15 specifications for reliable function. Installation requires basic armorer's tools including punches, a hammer, and patience—particularly when installing the pivot pin detent and safety selector spring. Experience with AR-15 assembly is recommended, though detailed instruction guides are widely available online.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Lower Parts Kit (Builder Configuration)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 and mil-spec AR-15 pattern rifles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel and aluminum components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black oxide\/phosphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires armorer's tools and knowledge; professional installation recommended for first-time builders\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Trigger assembly, hammer, disconnector, safety selector, magazine catch, bolt catch, pins, springs, and detents (excludes grip, trigger guard, and buffer components)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938470314239,"sku":"LUTHLRPK-BLDR","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1290435.jpg?v=1766516942","url":"https:\/\/doublestackstore.com\/products\/luth-ar-lower-parts-kit-builder","provider":"Double Stack Store","version":"1.0","type":"link"}