{"product_id":"spikes-flat-top-upper-9mm-blk","title":"Spike's Tactical Flat Top Upper Receiver 9mm – AR-15 Platform","description":"\u003cp\u003eThe Spike's Tactical Flat Top Upper Receiver in 9mm is a stripped forged upper designed for building a dedicated 9mm AR-15 pistol caliber carbine. This flat top configuration accepts standard Picatinny-mounted sights and optics, providing a versatile platform for customizing your 9mm build. Machined to Mil-Spec dimensions with a modified ejection port to accommodate 9mm brass, it pairs with Glock or Colt-pattern magazine lowers depending on your bolt carrier group and magazine block setup.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum with a black anodized finish, this upper features M4 feed ramps and a standard barrel nut threads (1.125x24 TPI). Does not include barrel, bolt carrier group, charging handle, or handguard. Requires a 9mm-compatible BCG and barrel for completion. Installation requires standard AR-15 armorer's tools and knowledge of pistol caliber carbine builds.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 9mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 (requires 9mm magazine lower or conversion)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Forged Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper Receiver Only (no barrel, BCG, CH, or handguard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires armorer's tools and 9mm-specific components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spike's Tactical","offers":[{"title":"Default Title","offer_id":47938903703807,"sku":"SPKSFT902D","price":106.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1336205.jpg?v=1766535957","url":"https:\/\/doublestackstore.com\/products\/spikes-flat-top-upper-9mm-blk","provider":"Double Stack Store","version":"1.0","type":"link"}