{"product_id":"yankee-hill-machine-a3-ar-15-assembled-upper-receiver-7075-t6-aluminum-black","title":"Yankee Hill Machine A3 AR-15 Assembled Upper Receiver - 7075-T6 Aluminum - Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eYankee Hill Machine A3\u003c\/span\u003e\u003c\/strong\u003e upper receiver is a forged \u003cstrong\u003eAR-15\u003c\/strong\u003e flat-top assembly precision-machined from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e and finished in a corrosion-resistant \u003cstrong\u003ehardcoat anodized matte black\u003c\/strong\u003e. The A3 (flat-top) configuration provides a full-length Picatinny rail across the top for mounting any standard optic or iron sight, while \u003cstrong\u003eM4-style feed ramps\u003c\/strong\u003e and engraved \u003cstrong\u003e\"T\" markings\u003c\/strong\u003e make optic alignment quick and repeatable. The interior of the receiver is coated with a dry-film lube for smooth bolt carrier travel and reliable cycling.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is an \u003cstrong\u003eassembled\u003c\/strong\u003e upper, meaning the \u003cstrong\u003edust cover\u003c\/strong\u003e and \u003cstrong\u003eforward assist\u003c\/strong\u003e are installed at the factory. The receiver accepts all \u003cstrong\u003estandard Mil-spec upper receiver parts\u003c\/strong\u003e, so you can drop in the barrel, bolt carrier group, charging handle, and handguard of your choice to complete a custom AR-15 rifle or pistol build.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for builders who want a lightweight and durable foundation for a custom AR-15, the YHM A3 flat-top upper is \u003cstrong\u003emade in the USA\u003c\/strong\u003e to Yankee Hill Machine's exacting tolerances and is ready to anchor your next build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Yankee Hill Machine","offers":[{"title":"Default Title","offer_id":55364426301762,"sku":"YHM100","price":148.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_fbb8d3bd-7d19-4c66-8d0f-ce0282f6a61e.jpg?v=1785218326","url":"https:\/\/centerfiresystems.com\/products\/yankee-hill-machine-a3-ar-15-assembled-upper-receiver-7075-t6-aluminum-black","provider":"Centerfire Systems","version":"1.0","type":"link"}