{"product_id":"sig-543-folding-stock-carbine-parts-kit-5-56x45mm-with-intact-barrel-handguards-broken-missing-lebanese-contract","title":"SIG 543 Folding Stock Carbine Parts Kit 5.56x45mm with Intact Barrel - Handguards Broken\/Missing - Lebanese Contract","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWe've just received a small batch of \u003cstrong\u003eSIG 543 folding stock carbines\u003c\/strong\u003e in \u003cstrong\u003e5.56x45mm\u003c\/strong\u003e. With an \u003cstrong\u003e11.8\" barrel\u003c\/strong\u003e and \u003cstrong\u003e22.5\" overall length\u003c\/strong\u003e with the stock folded, these are truly a collector's dream kit. The center section of the receiver has been removed per ATF specifications, but the remainder of this kit is \u003cstrong\u003eintact\u003c\/strong\u003e, including the \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003epopulated barrel\u003c\/strong\u003e\u003c\/span\u003e. In the kits we have sorted so far, the \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003ebores are bright and shiny\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eUpon inspection, the plastic grips all have a chip or crack. Additionally, some plastic grips have been replaced with \u003cstrong\u003ealuminum grips\u003c\/strong\u003e (see silver grip images).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eMost of these kits have destroyed upper and lower handguards.\u003c\/strong\u003e\u003c\/span\u003e We have included what parts\/pieces that we received, but don't count on their functionality. We are working on a solution to offer handguards whether 3D printed, cast or molded, and contacting \u003cstrong\u003eFAMAE\u003c\/strong\u003e for parts. The uniqueness of the lower handguard is that it locks in the pivot pin in place that holds the upper to the lower. \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eA handful of kits in this category are non-matching numbers or do not have the Lebanon Crest on the lower.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAnother interesting feature is the \u003cstrong\u003eFire Control Selector Mechanism\u003c\/strong\u003e. When rotating the selector, a dial indicates the firing mode: \"\u003cstrong\u003eS\u003c\/strong\u003e\" (safe), \"\u003cstrong\u003e1\u003c\/strong\u003e\" (semi-automatic), \"\u003cstrong\u003e3\u003c\/strong\u003e\" (3-round burst), and \"\u003cstrong\u003e20\u003c\/strong\u003e\" (fully automatic). The SIG 543 is fed from either 20 or 30-round staggered box magazines. After the last round is fired, a hold-open tab in the magazine engages the bolt catch, locking the bolt in its rear position.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eOne original 30-round magazine is included with each kit.\u003c\/strong\u003e\u003c\/span\u003e These original military-issue staggered box magazines are built from \u003cstrong\u003esteel construction\u003c\/strong\u003e for durability and reliable feeding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eUS Made Receivers\u003c\/strong\u003e – \u003cstrong\u003eTTE Precision Metal Werks\u003c\/strong\u003e will be making Receivers. TTE will start accepting pre-orders when they return from Holiday shutdown on \u003cstrong\u003eJanuary 5th, 2026\u003c\/strong\u003e. Their contact information is \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e651-395-4354\u003c\/strong\u003e\u003c\/span\u003e or \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003einfo@TTEPMW.com\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eHistorical Background:\u003c\/strong\u003e The SIG SG 543 is the carbine variant of the SIG SG 540 series, developed by \u003cstrong\u003eSIG (Schweizerische Industrie Gesellschaft)\u003c\/strong\u003e in Switzerland during the late 1960s. Development began after the unsuccessful SG 530-1 design, with SIG opting for a robust \u003cstrong\u003elong-stroke gas piston system with rotating bolt\u003c\/strong\u003e derived from the AK-47 platform. The SG 543 features a shortened \u003cstrong\u003e300mm (11.8\") barrel\u003c\/strong\u003e, compact gas system, folding buttstock, and four-position aperture sights for 100-400 meters. Due to Swiss export restrictions, SIG licensed production to \u003cstrong\u003eManurhin of France\u003c\/strong\u003e. The rifle was adopted by several nations including Lebanon, Portugal, and Chile, where \u003cstrong\u003eFAMAE\u003c\/strong\u003e continues licensed production today. The SG 540 series served as the foundation for the SIG 550, which became the Swiss military's standard service rifle (Stgw 90).\u003c\/span\u003e\u003c\/p\u003e","brand":"Sig Sauer","offers":[{"title":"Default Title","offer_id":52668966732098,"sku":"KIT0401_B","price":849.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/IMG_9836__88873.1766522651.1280.1280.jpg?v=1774274656","url":"https:\/\/centerfiresystems.com\/products\/sig-543-folding-stock-carbine-parts-kit-5-56x45mm-with-intact-barrel-handguards-broken-missing-lebanese-contract","provider":"Centerfire Systems","version":"1.0","type":"link"}