{"product_id":"andro-corp-industries-u55616ml-5-56-nato-16-m-lok-complete-upper","title":"Andro Corp Industries U55616ML 5.56 NATO 16\" M-LOK Complete Upper","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eAndro Corp Industries U55616ML\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ecomplete AR-15 upper receiver assembly\u003c\/strong\u003e chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e, built around a \u003cstrong\u003e16\" barrel\u003c\/strong\u003e and ready to drop onto any mil-spec AR-15 lower. The unit ships fully assembled with the handguard, gas system, and flash hider already installed.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe barrel is machined from \u003cstrong\u003e4150 chrome moly vanadium (CMV) steel\u003c\/strong\u003e and finished in \u003cstrong\u003eMelonite\u003c\/strong\u003e (also known as QPQ) for outstanding corrosion and wear resistance. It features a \u003cstrong\u003e1:7 twist rate\u003c\/strong\u003e that stabilizes the full range of .223\/5.56 bullet weights, and \u003cstrong\u003eM4 feed ramps\u003c\/strong\u003e are cut into the barrel extension for reliable feeding. The barrel is threaded \u003cstrong\u003e1\/2x28\u003c\/strong\u003e for standard 5.56 muzzle devices and ships with an installed \u003cstrong\u003eA2 flash hider\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003emid-length gas system\u003c\/strong\u003e with a \u003cstrong\u003e.750\" low-profile gas block\u003c\/strong\u003e keeps the action cycling smoothly while reducing felt recoil and bolt carrier stress compared to shorter carbine-length setups. The \u003cstrong\u003eM-LOK handguard\u003c\/strong\u003e provides a slim, lightweight platform for mounting lights, lasers, foregrips, and other M-LOK compatible accessories, and the entire upper is finished in \u003cstrong\u003eanodized black\u003c\/strong\u003e for a clean, low-visibility look.\u003c\/span\u003e\u003c\/p\u003e","brand":"Andro Corp Industries","offers":[{"title":"Default Title","offer_id":55084016795970,"sku":"199065","price":330.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_89d59011-4dfd-4a9b-a4b2-ce0a51a8f352.png?v=1784768587","url":"https:\/\/centerfiresystems.com\/products\/andro-corp-industries-u55616ml-5-56-nato-16-m-lok-complete-upper","provider":"Centerfire Systems","version":"1.0","type":"link"}