{"product_id":"luth-ar-ur-01-e3-sa-a1-upper-receiver-223-5-56-nato-aluminum-black-hardcoat-anodized-assembled","title":"Luth-AR UR-01-E3-SA A1 Upper Receiver 223\/5.56 NATO Aluminum Black Hardcoat Anodized - Assembled","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR UR-01-E3-SA\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eassembled A1-style upper receiver\u003c\/strong\u003e chambered for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Rem \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e and intended for use with a standard AR-15 lower. The receiver is machined from \u003cstrong\u003e7075-T6 aluminum forgings\u003c\/strong\u003e and finished in a tough \u003cstrong\u003eBlack Hardcoat Anodize\u003c\/strong\u003e for the corrosion resistance and surface hardness expected from a quality anodized aluminum part.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe slick-side A1 configuration follows the correct \u003cstrong\u003eearly-style carry handle contours\u003c\/strong\u003e for an authentic retro look, with no flat-top Picatinny rail on top, making it a natural choice for retro builds, clone-correct rifles, or replacement projects on existing AR-15 platforms.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSold as an \u003cstrong\u003eassembled\u003c\/strong\u003e upper, the UR-01-E3-SA is ready to install on a compatible lower. At a compact \u003cstrong\u003e7.75\" overall length\u003c\/strong\u003e, the A1 receiver keeps build weight in check while providing a strong foundation for your retro AR-15 build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55056743137602,"sku":"186435","price":165.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_cd49015f-cceb-44a7-941c-309580e4c14d.png?v=1784723981","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-ur-01-e3-sa-a1-upper-receiver-223-5-56-nato-aluminum-black-hardcoat-anodized-assembled","provider":"Centerfire Systems","version":"1.0","type":"link"}