{"product_id":"ruger-ar-556-model-8500-flat-top-ar-15-rifle-ri0011","title":"Ruger 5.56x45mm 16.10 30+1 8500 AR-556  Black Hard Coat Anodized Matte Black Oxide 6 Position Stock Black Polymer Grip","description":"\u003cp\u003e\u003cspan style=\"font-size:20px;\"\u003eRuger's AR-556 semi-automatic rifle is made from froged aerospace-grade 7075-T6 aluminum. The hard coat anodized, flattop upper receiver includes a forward assist, dust cover and brass deflector, while the handguards are made from heat-resistant glass-filled nylon. It has a carbine-length, milled gas block with multiple attachment points for a QD socket, bayonet lug, and sling. Serrations on the angled face of the gas block provides a low-glare surface. The Rapid Deploy folding rear sight provides windage adjustability and the front sight post is elevation adjustable, and includes a front sight tool. The A2-style F-height allows co-witness with many optics. It also has a bolt machined from 9310 alloy steel, single-stage trigger, chrome-plated bolt carrier with a matte black oxide finish on the exterior, and patent pending barrel nut and Delta ring for one person handguard removal and installation. This model has a black six-position buttstock and handguard, and a Magpul PMAG.\u003c\/span\u003e\u003c\/p\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52669009232194,"sku":"RI0011","price":762.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/getimage__96022.1697572739.1280.1280.jpg?v=1774274719","url":"https:\/\/centerfiresystems.com\/products\/ruger-ar-556-model-8500-flat-top-ar-15-rifle-ri0011","provider":"Centerfire Systems","version":"1.0","type":"link"}