{"product_id":"luth-ar-ur-01-m16-a1-stripped-upper-receiver-223-rem-5-56-nato-aluminum-black","title":"Luth-AR UR-01-M16 A1 Stripped Upper Receiver 223 Rem\/5.56 NATO Aluminum Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR UR-01-M16\u003c\/span\u003e\u003c\/strong\u003e is a stripped \u003cstrong\u003eA1-style upper receiver\u003c\/strong\u003e built for the \u003cstrong\u003eM16\/AR-15 platform\u003c\/strong\u003e and chambered for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e223 Remington \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e. Machined from \u003cstrong\u003ealuminum\u003c\/strong\u003e and finished in \u003cstrong\u003eblack hardcoat anodize\u003c\/strong\u003e, this reproduction upper captures the classic M16A1 profile that was adopted in the late 1960s as a lighter, more reliable refinement of the original M16.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eSold as a stripped upper only, the \u003cstrong\u003eUR-01-M16\u003c\/strong\u003e gives builders the foundation for a retro A1-style assembly on any mil-spec lower receiver. It accepts standard AR-15\/M16 internal components, including the forward assist, bolt carrier group, barrel nut, and handguards, so the upper can be completed to the builder's preferred configuration.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are assembling a faithful classic A1 reproduction or simply want the clean, uncluttered lines of the original M16A1 upper on a modern build, the \u003cstrong\u003eLuth-AR UR-01-M16\u003c\/strong\u003e delivers that iconic silhouette in a durable, hardcoat-anodized aluminum package. \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eNew\u003c\/span\u003e\u003c\/strong\u003e from Luth-AR.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55233734902082,"sku":"186436","price":121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_7fe77271-530e-4730-8cc3-cfabbefe72ee.png?v=1785008448","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-ur-01-m16-a1-stripped-upper-receiver-223-rem-5-56-nato-aluminum-black","provider":"Centerfire Systems","version":"1.0","type":"link"}