{"product_id":"solgw-l89-v2-5-56-13-7-nox-blk","title":"Sons of Liberty Gun Works L89 V2 5.56 NATO 13.7\" Upper Receiver with NOX – AR-15 Platform","description":"\u003cp\u003eThe Sons of Liberty Gun Works L89 V2 is a 5.56 NATO complete upper receiver built on a 13.7-inch barrel with a pinned and welded NOX muzzle device to achieve the legal 16-inch overall barrel length. This configuration delivers a compact, maneuverable rifle without NFA restrictions. Compatible with standard mil-spec AR-15 lower receivers, the L89 V2 is designed for versatile use from home defense to duty applications.\u003c\/p\u003e\u003cp\u003eThe upper features a forged aluminum receiver with Type III hard-coat anodized black finish and a low-profile gas block for a clean sight picture. The NOX muzzle device provides flash suppression and recoil mitigation. Ships ready to install—no gunsmithing required for standard AR-15 platforms. Verify headspace and function with your specific lower receiver and bolt carrier group before live fire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 13.7 inches (16+ inches OAL with pinned NOX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard-coat anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Barrel, handguard, gas system, bolt carrier group, charging handle (verify listing for specific configuration)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in for mil-spec AR-15 lowers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sons of Liberty Gun Works","offers":[{"title":"Default Title","offer_id":47938894594303,"sku":"SOLGWM4L89UPP-137-556","price":992.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5492624.jpg?v=1766535362","url":"https:\/\/doublestackstore.com\/products\/solgw-l89-v2-5-56-13-7-nox-blk","provider":"Double Stack Store","version":"1.0","type":"link"}