{"product_id":"luth-ar-308-lower-receiver-parts-kit","title":"Luth-AR .308 Lower Receiver Parts Kit – AR-10 Pattern","description":"\u003cp\u003eThe Luth-AR .308 Lower Receiver Parts Kit provides all the essential components to complete an AR-10 pattern lower receiver. This kit includes the trigger assembly, hammer, disconnector, selector, magazine catch, bolt catch, and all necessary springs, detents, and pins—everything except the pistol grip and trigger guard. Designed for builders who want reliable, mil-spec components without unnecessary frills, this kit is ideal for completing a custom .308 AR build or replacing worn parts in an existing rifle.\u003c\/p\u003e\u003cp\u003eManufactured from heat-treated steel and machined aluminum where appropriate, each component meets mil-spec dimensions for drop-in compatibility with standard AR-10 lower receivers. The parts feature a black oxide finish for corrosion resistance. Installation requires basic armorer's tools and familiarity with AR-platform assembly—punches, hammer, and a lower receiver vise block are recommended. A complete parts diagram is included.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Lower Receiver Parts Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-10 \/ .308 AR Pattern Lower Receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-Treated Steel, Machined Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In with Basic Armorer's Tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Trigger Assembly, Hammer, Disconnector, Selector, Magazine Catch, Bolt Catch, Springs, Detents, Pins (Does Not Include Grip or Trigger Guard)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938467758335,"sku":"LUTHLRPK-308","price":80.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1290432.jpg?v=1766516897","url":"https:\/\/doublestackstore.com\/products\/luth-ar-308-lower-receiver-parts-kit","provider":"Double Stack Store","version":"1.0","type":"link"}