{"product_id":"luth-ar-ur-a2-s-a2-stripped-upper-receiver-223-5-56-ar-15","title":"Luth-AR UR-A2-S A2 Stripped Upper Receiver 223\/5.56 AR-15","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR UR-A2-S\u003c\/span\u003e\u003c\/strong\u003e is a stripped \u003cstrong\u003eA2-style upper receiver\u003c\/strong\u003e machined for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform and chambered for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Remington \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e. Built as a no-frills retro build component, this upper ships stripped with no parts installed, giving the builder full freedom to assemble an A2-configuration rifle from the ground up.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe receiver is precision machined from a premium-grade \u003cstrong\u003e7075-T6 forged aluminum\u003c\/strong\u003e and finished in a tough \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eblack MIL-SPEC hardcoat anodized\u003c\/span\u003e\u003c\/strong\u003e coating, topped with a scratch-resistant \u003cstrong\u003eTeflon coating\u003c\/strong\u003e for added wear protection and long service life under field conditions. The integrated \u003cstrong\u003eA2 rear sight cut\u003c\/strong\u003e accepts the classic A2 fixed rear sight assembly, allowing the builder to complete a traditional A2-style upper.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFrom \u003cstrong\u003eLuth-AR\u003c\/strong\u003e, the UR-A2-S is a straightforward, mil-spec-pattern stripped upper ready to be dressed out with the barrel, bolt carrier group, handguard, and sights of the builder's choice. It is an ideal foundation for an A2 retro build, a clone rifle project, or a spare upper for a dedicated .223 Rem \/ 5.56 NATO AR-15 platform.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55101142303042,"sku":"186438","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_a6376f6f-ceb2-4d25-a3d4-926818bf31dc.png?v=1784791227","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-ur-a2-s-a2-stripped-upper-receiver-223-5-56-ar-15","provider":"Centerfire Systems","version":"1.0","type":"link"}