{"product_id":"cmmg-zeroed-lpk-mk3-1","title":"CMMG ZEROED LPK MK3 – .308 AR Lower Parts Kit","description":"\u003cp\u003eThe CMMG ZEROED LPK MK3 is a complete lower parts kit engineered for .308 AR-pattern rifles, specifically CMMG's MK3 platform and compatible large-frame AR builds. This kit includes all the small components needed to complete a stripped lower receiver—trigger assembly, hammer, disconnector, springs, pins, detents, selector, and magazine release. It's built for builders who want a functional, no-frills parts set from a manufacturer known for precision machining and quality control.\u003c\/p\u003e\u003cp\u003eAll components are mil-spec dimensioned and machined from hardened steel or mil-spec polymer where appropriate. Finish is standard black oxide on metal parts. Installation requires basic armorer tools and knowledge of AR-pattern assembly—this is a drop-in kit for experienced builders, but first-timers should consult a qualified gunsmith or detailed build guide. The kit does not include a pistol grip or trigger guard, which are typically selected separately based on shooter preference.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Complete Lower Parts Kit (less grip and trigger guard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e CMMG MK3, .308 AR-pattern rifles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Hardened steel, mil-spec polymer\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 for experienced builders; gunsmith recommended for first-time assemblers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Fire control group, selector, magazine release, bolt catch, pins, springs, detents (excludes pistol grip and trigger guard)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":48405692580095,"sku":"CMMG38CA677","price":86.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5811359.jpg?v=1776440401","url":"https:\/\/doublestackstore.com\/products\/cmmg-zeroed-lpk-mk3-1","provider":"Double Stack Store","version":"1.0","type":"link"}