{"product_id":"luth-ar-ur-01-e3-s-a1-slick-side-223-5-56-stripped-upper-receiver","title":"Luth-AR UR-01-E3-S A1 Slick Side .223\/5.56 Stripped Upper Receiver","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLuth-AR UR-01-E3-S\u003c\/span\u003e\u003c\/strong\u003e is a stripped \u003cstrong\u003eA1-style slick side upper receiver\u003c\/strong\u003e built for retro and traditional \u003cstrong\u003eAR-15\u003c\/strong\u003e platforms chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.223 Remington \/ 5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e. Forged from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e and finished in \u003cstrong\u003eblack hardcoat anodized\u003c\/strong\u003e, it offers the clean early-pattern look without a forward assist or brass deflector, ideal for clone-correct retro builds.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eShipped as a stripped upper only, the UR-01-E3-S arrives without a barrel, barrel nut, bolt, bolt carrier, or charging handle, giving builders a foundation to configure their own A1-pattern rifle. The slick side profile delivers the authentic pre-A2 silhouette favored by traditionalists and retro enthusiasts who want to recapture the original look of the M16-pattern carbine.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWith an overall length of \u003cstrong\u003e9.9 in\u003c\/strong\u003e, width of \u003cstrong\u003e6 in\u003c\/strong\u003e, height of \u003cstrong\u003e1.9 in\u003c\/strong\u003e, and a weight of approximately \u003cstrong\u003e8.24 oz\u003c\/strong\u003e, this forged aluminum upper mates to any standard AR-15 lower receiver and accepts standard .223 Rem \/ 5.56 NATO barrels and components. Pair it with your choice of barrel, handguard, and bolt carrier group to complete a retro A1 rifle build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":55062647570754,"sku":"186434","price":136.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_bfc9c675-dd55-445e-bb9d-94cf0234f3f9.png?v=1784733832","url":"https:\/\/centerfiresystems.com\/products\/luth-ar-ur-01-e3-s-a1-slick-side-223-5-56-stripped-upper-receiver","provider":"Centerfire Systems","version":"1.0","type":"link"}