{"product_id":"luth-ar-a1-assembled-upper-receiver-223-5-56-nato-black-hardcoat-anodized","title":"Luth-AR A1 Assembled Upper Receiver .223\/5.56 NATO Black Hardcoat Anodized","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR A1 Assembled Upper Receiver\u003c\/span\u003e\u003c\/strong\u003e is a faithful reproduction of the classic \u003cstrong\u003eM16A1\u003c\/strong\u003e upper, machined from durable \u003cstrong\u003e7075-T6 aluminum forgings\u003c\/strong\u003e and finished in a wear-resistant \u003cstrong\u003eblack hardcoat anodized\u003c\/strong\u003e coating. Chambered for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Rem \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e, this assembled upper drops onto any standard \u003cstrong\u003eAR-15\u003c\/strong\u003e or \u003cstrong\u003eM16\u003c\/strong\u003e pattern lower receiver, making it the foundation for an authentic retro build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe A1 profile is topped with the early-style \u003cstrong\u003eA1 carry handle\u003c\/strong\u003e that integrates a fixed rear sight, capturing the iconic look and feel of the Vietnam-era \u003cstrong\u003eM16A1\u003c\/strong\u003e rifle adopted in the late 1960s as a lighter, more reliable successor to the original M16. Precision-machined to final dimensions, the receiver accepts standard \u003cstrong\u003e.223 Rem \/ 5.56 NATO\u003c\/strong\u003e barrels and components for a straightforward retro or reproduction build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is the \u003cstrong\u003eassembled\u003c\/strong\u003e configuration (MPN: \u003cstrong\u003eUR-01-M16-A\u003c\/strong\u003e) of the Luth-AR A1 upper, designed to pair with a standard lower receiver, barrel, and handguard to complete a classic-style rifle. \u003cstrong\u003eUpper receiver only\u003c\/strong\u003e - barrel, handguard, lower receiver, and small parts sold separately.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55233751646530,"sku":"186437","price":168.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_ea4df0e2-44cb-4dba-8af4-15e3557f27bf.png?v=1785008471","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-a1-assembled-upper-receiver-223-5-56-nato-black-hardcoat-anodized","provider":"Centerfire Systems","version":"1.0","type":"link"}