{"product_id":"cobalt-kinetics-ck-pro-urg-10-8-stripped-upper-receiver","title":"Cobalt Kinetics CK-Pro Urg 10.8\" Stripped Upper Receiver","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eCobalt Kinetics CK-Pro Urg\u003c\/span\u003e\u003c\/strong\u003e stripped upper receiver group gives AR-15 builders Cobalt's signature fit, finish, and styling as a foundation for a custom build. Precision-machined from \u003cstrong\u003ealuminum\u003c\/strong\u003e and finished in \u003cstrong\u003eBlack Cerakote\u003c\/strong\u003e, this URG is built to resist corrosion and wear while delivering the clean, modern look that defines the CK-Pro line.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for end users who want to upgrade an existing lower with Cobalt Kinetics' premium upper, this stripped URG ships without a barrel, bolt carrier group, or muzzle device - letting the builder choose their own chambering, barrel profile, and components. The integrated \u003cstrong\u003e10.8\" rail\u003c\/strong\u003e offers generous real estate for optics, lights, and accessories up front, hitting a sweet spot between compact handling and full-length capability.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAs part of Cobalt Kinetics' \u003cstrong\u003eCK-Pro\u003c\/strong\u003e platform, the upper is engineered around the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e AR-15 architecture and held to the same exacting standards found on the company's complete rifles. Whether the goal is a lightweight carbine, a competition rig, or a hard-use duty gun, the CK-Pro URG delivers the foundation for a high-end custom build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Cobalt Kinetics","offers":[{"title":"Default Title","offer_id":55048750334274,"sku":"180600","price":772.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_88184169-d05b-4be0-b2c6-430a384b1f6f.png?v=1784703898","url":"https:\/\/centerfiresystems.com\/products\/cobalt-kinetics-ck-pro-urg-10-8-stripped-upper-receiver","provider":"Centerfire Systems","version":"1.0","type":"link"}