{"product_id":"kinetic-development-group-mrex-mkii-4-25-m-lok-free-float-receiver-extension-fn-scar-16-17-black","title":"Kinetic Development Group MREX MkII 4.25\" M-LOK Free Float Receiver Extension FN SCAR 16\/17 - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eKinetic Development Group MREX MkII\u003c\/span\u003e\u003c\/strong\u003e is a compact \u003cstrong\u003e4.25\" M-LOK\u003c\/strong\u003e free-float receiver extension designed specifically for the \u003cstrong\u003eFN SCAR 16\u003c\/strong\u003e and \u003cstrong\u003eFN SCAR 17\u003c\/strong\u003e rifle platforms.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEngineered as a streamlined upgrade over KDG's original MREX handguard, the MkII bolts directly to the SCAR upper receiver to add substantial M-LOK rail real estate without weighing down the front end. The 4.25\" extension is the ideal length for short-barreled SCAR configurations, including 10\" SBR setups, bringing the installed overall length to \u003cstrong\u003e11.08\"\u003c\/strong\u003e while keeping the package compact and balanced.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach MREX MkII is machined from a single billet of \u003cstrong\u003e6061-T6 aircraft-grade aluminum\u003c\/strong\u003e and finished in a low-glare \u003cstrong\u003ematte black\u003c\/strong\u003e coating. At just \u003cstrong\u003e7 ounces\u003c\/strong\u003e, this lightweight extension integrates full-length M-LOK slots for direct attachment of lights, lasers, grips, bipods, and other M-LOK-compatible accessories.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e by Kinetic Development Group, the MREX MkII installs cleanly using a \u003cstrong\u003e2.5mm hex driver\u003c\/strong\u003e and \u003cstrong\u003eT25 Torx fasteners\u003c\/strong\u003e (installation rated 5\/10 difficulty by KDG) and mates to the SCAR's factory barrel nut interface for a rigid, repeatable lockup. No gunsmithing required.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eFN SCAR 16\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eFN SCAR 17\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kinetic Development Group","offers":[{"title":"Default Title","offer_id":55065818595650,"sku":"190288","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_5b25a697-ff05-46c1-a8a5-5546c2a0aa19.png?v=1784739153","url":"https:\/\/centerfiresystems.com\/products\/kinetic-development-group-mrex-mkii-4-25-m-lok-free-float-receiver-extension-fn-scar-16-17-black","provider":"Centerfire Systems","version":"1.0","type":"link"}