{"product_id":"sig-sauer-2401191-r","title":"Sig Sauer MCX Stock Adapter | Eliminates Buffer Tube for Covert Transport | Field-Proven","description":"\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eSig Sauer MCX Stock Adapter: AR-15 Lower Conversion Kit for MCX Folding Stocks \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003eSig Sauer MCX Stock Adapter Kit\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eallows you to convert a standard AR-15 lower receiver to accept MCX upper receiver groups and folding stocks. By eliminating the standard buffer tube, this field-proven upgrade reduces your rifle's overall length for covert transport and close-quarters maneuverability. It is built to strict factory specifications to ensure reliable operation when upgrading your standard AR-15 accessories.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eReduces Rifle Profile by Eliminating 1 Receiver Extension:\u003c\/strong\u003e\u003cspan\u003e This adapter completely removes the standard AR-15 buffer tube from your lower receiver. Without a buffer tube extending past the receiver, you can attach a side-folding stock to drastically shorten your weapon for transport in discreet bags or confined vehicles.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eMounts 2 Specific Types of Upper Receivers:\u003c\/strong\u003e\u003cspan\u003e The adapter configures your mil-spec M4 lower to directly accept both standard Sig Sauer MCX and modern MCX-LT upper receiver groups. This allows you to upgrade your existing lower with a highly reliable piston-driven system without having to buy a completely new rifle.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eSupports 100% of MCX Folding Stock Assemblies:\u003c\/strong\u003e\u003cspan\u003e The built-in vertical rail provides a rock-solid mounting point for any Sig Sauer folding stock. This specific AR-15 folding stock adapter is engineered exclusively for side-folding mechanisms and will not work with sliding collapsible stocks or standard pistol braces.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0004\/0635\/5980\/files\/00000IMG_00000_BURST20200108182725082_COVER.jpg?v=1779811652\" alt=\"\"\u003e\u003c\/span\u003e\u003cstrong\u003eSig Sauer MCX Stock Adapter System and Accessory Guide\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eComplete Folding Stock Conversions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eSig Sauer MCX\/MPX Telescopic\/Folding Stock\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e: \u003c\/strong\u003eThis hybrid polymer and aluminum stock attaches directly to the newly installed 1913 Picatinny rail provided by your stock adapter. It completes your MCX conversion by giving you a rugged, dual-action system that folds securely to the side for discreet storage in bags while also telescoping to adjust to your perfect length of pull during engagements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eLower Receiver Performance Upgrades\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eAR-15 Full Mass Fire Control Group\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e: \u003c\/strong\u003eStripping your lower receiver to install the stock adapter is the perfect time to upgrade your trigger system. Dropping a full-mass, duty-rated fire control group into your mil-spec lower ensures hard primer ignition and a crisp, reliable reset when firing your newly configured piston-driven MCX upper receiver.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFront-End Retention \u0026amp; Accessory Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eArisaka Defense MCX Zero Retention Clamp (ZRC)\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e: \u003c\/strong\u003eWhen running a complete MCX upper receiver on your converted AR-15 lower, preserving your laser and iron sight alignment is critical. This specialized clamp reinforces the MCX handguard, drastically reducing flex and zero shift during heavy operational use or when bracing the weapon against barricades.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eArisaka Defense Side Scout Mount MCX M-Lok\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e Built specifically for the MCX platform, this low-profile mount seamlessly tucks your Surefire or Modlite weapon lights close to the rail. It eliminates side snag hazards and keeps the front profile of your converted rifle as sleek and compact as your rear folding stock.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eRapid Target Acquisition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eSig Sauer ROMEO4H Red Dot Sight\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e:\u003c\/strong\u003e The ideal optical pairing for a fast-handling MCX conversion. Featuring a crisp reticle and robust quick-release mounts, this sight maximizes the maneuverability of your new folding stock setup by allowing for lightning-fast target acquisition in tight, close-quarters environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eSig Sauer MCX Stock Adapter Key Features and Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eComplete System Conversion:\u003c\/strong\u003e\u003cspan\u003e Instantly converts your standard AR-15 or M4 lower receiver to work flawlessly with MCX upper groups.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eBuffer Tube Elimination:\u003c\/strong\u003e\u003cspan\u003e Removes the bulky rear receiver extension, allowing you to use a true side-folding stock to drastically shrink your weapon's footprint.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eSecure Picatinny Mounting:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eFeatures a built-in vertical 1913 Picatinny rail on the rear to firmly lock your new S\u003c\/span\u003e\u003cspan\u003eig stock\u003c\/span\u003e\u003cspan\u003e in place without wobbling.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eCovert Transport Ready:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eBy allowing the stock to fold flat against the receiver, it makes storing your rifle in small vehicles or everyday backpacks incredibly simple.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cstrong\u003eDrop-In Installation:\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eDesigned as a direct fit for mil-spec lowers, making it one of the easiest and most effective rifle upgrades for modern shooters.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 99.9197%; height: 195.952px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5952px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 19.5952px;\"\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 19.5952px;\"\u003eLower receiver conversion kit \/ AR-15 folding stock adapter.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1903px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 39.1903px;\"\u003e\u003cstrong\u003eLower Receiver Compatibility: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 39.1903px;\"\u003eFits standard Mil-Spec AR-15 and M4 type lower receivers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1903px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 39.1903px;\"\u003e\u003cstrong\u003eUpper Receiver Compatibility: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 39.1903px;\"\u003eEngineered specifically to accept Sig Sauer MCX and MCX-LT upper receiver groups.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7855px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 58.7855px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eStock Compatibility:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 58.7855px;\"\u003eDesigned exclusively for MCX folding stock assemblies. (Note: This adapter will not work with standard sliding AR-15 collapsible stock setups or pistol braces).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5952px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 19.5952px;\"\u003e\u003cstrong\u003eMounting Interface: \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 19.5952px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eRear vertical 1913 Picatinny rail.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5952px;\"\u003e\n\u003ctd style=\"width: 33.3018%; height: 19.5952px;\"\u003e\u003cstrong\u003e\u003cmeta charset=\"utf-8\"\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.4283%; height: 19.5952px;\"\u003e\u003cspan\u003eOriginal factory Sig Sauer production.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\n\u003cstrong\u003eWhat’s Inside the Box of Sig Sauer MCX Stock Adapter\u003c\/strong\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e(1) Complete Sig Sauer MCX Stock Adapter unit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e(1) Set of integrated mounting hardware for standard AR-15 or M4 lower receiver.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e(1) Official Sig Sauer operator's manual \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cstrong\u003eFrequently Asked Questions About Sig Sauer MCX Stock Adapter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhat does this adapter do for my rifle?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Sig Sauer MCS Stock Adapter Kit is one of the best rifle upgrades you can buy. It lets you change your normal lower receiver so it can use a Sig mcx stock. This means you can easily add a folding stock to your weapon. It is a great choice if you are shopping for top-tier AR-5 accessories and gun accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eCan I still use my old sliding stock?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eNo, you cannot. This AR-1\u003c\/span\u003e\u003cspan\u003e5 folding stock adapter\u003c\/span\u003e\u003cspan\u003e removes the long buffer tube at the back of your rifle. Because that tube is gone, a normal AR-1\u003c\/span\u003e\u003cspan\u003e5 collapsible stock\u003c\/span\u003e\u003cspan\u003e or an AR-\u003c\/span\u003e\u003cspan\u003e15 adjustable stock\u003c\/span\u003e\u003cspan\u003e will not fit anymore. You must use a true fold-away style stock with this AR\u003c\/span\u003e\u003cspan\u003e folding stock adapter\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eHow does the new stock attach to my gun? \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIt uses a flat, grooved rail on the back. This lets you slide on a \u003c\/span\u003e\u003cspan\u003epicatinny folding stock\u003c\/span\u003e\u003cspan\u003e. Once it is locked into place, you can attach your S\u003c\/span\u003e\u003cspan\u003eig stock\u003c\/span\u003e\u003cspan\u003e or \u003c\/span\u003e\u003cspan\u003emcx stock\u003c\/span\u003e\u003cspan\u003e in seconds. This makes your S\u003c\/span\u003e\u003cspan\u003eig Sauer stock\u003c\/span\u003e\u003cspan\u003e very tight and secure. You will love how easy it is to use a \u003c\/span\u003e\u003cspan\u003efold stock\u003c\/span\u003e\u003cspan\u003e with this system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhy should I want a stock that folds?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUsing a \u003c\/span\u003e\u003cspan\u003efolding stock adapter\u003c\/span\u003e\u003cspan\u003e makes your rifle much shorter when you need to put it away. An AR\u003c\/span\u003e\u003cspan\u003e15 folding stock\u003c\/span\u003e\u003cspan\u003e lets you pack your gun into small backpacks or discreet bags. It is perfect for storing in tight spaces. \u003c\/span\u003e\u003cspan\u003eSig Sauer\u003c\/span\u003e\u003cspan\u003e makes this \u003c\/span\u003e\u003cspan\u003etactical gear\u003c\/span\u003e\u003cspan\u003e to help you carry your weapon safely and easily.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eWhere can I purchase the Sig Sauer MCX Stock Adapter? \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYou can buy the S\u003c\/span\u003e\u003cspan\u003eig sauer mcx stock adapter\u003c\/span\u003e\u003cspan\u003e right now from us at Atomic Defense. We sell top-quality gear to help you finish your custom build. Buying directly from Atomic Defense ensures you get trusted, factory-direct parts that are ready to go to work.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Atomic Defense","offers":[{"title":"Default Title","offer_id":48115690078467,"sku":"2401191-R","price":179.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/phishstonesproducts.myshopify.com\/products\/sig-sauer-2401191-r","provider":"PhishStones Products","version":"1.0","type":"link"}