{"title":"Upper Parts","description":"\u003cp\u003eShop upper parts and components at KFF Defense. Barrels, handguards, upper receivers, gas blocks, gas tubes and more for your AR or custom build. Quality components from trusted manufacturers to keep your rifle running at its best.\u003c\/p\u003e","products":[{"product_id":"cobalt-kinetics-ck-pro-urg-fde-5-56-13-7-upper-receiver-group","title":"COBALT KINETICS CK-PRO URG FDE 5.56 13.7\" Upper Receiver Group","description":"\u003ch2\u003eUnrivaled Performance: COBALT KINETICS CK-PRO FDE 13.7\" 5.56 Upper Receiver Group\u003c\/h2\u003e\n\u003cp\u003eKFF Defense proudly presents the COBALT KINETICS CK-PRO URG, a pinnacle of precision engineering and duty-grade reliability. This Flat Dark Earth (FDE) 13.7\" 5.56 Upper Receiver Group is meticulously crafted for discerning operators who demand mission-critical performance and seamless platform integration. Optimized for the modern AR-15 platform, the CK-PRO URG delivers superior accuracy and uncompromising durability in any operational theater.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Engineering \u0026amp; Materials\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAdvanced Billet Construction:\u003c\/b\u003e The upper receiver is precision-machined from aerospace-grade 7075-T6 aluminum billet, ensuring exceptional strength-to-weight ratio and rigidity. The free-float handguard is robustly crafted from 6061-T6 aluminum, further enhancing durability without undue mass.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eOptimized Barrel System:\u003c\/b\u003e Featuring a 13.7-inch 5.56 NATO barrel, precision-honed for superior ballistic consistency and accuracy. This barrel length is expertly chosen for optimal maneuverability, often utilized in configurations with a pinned and welded muzzle device to achieve a legal 16-inch overall barrel length.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eM-LOK \u0026amp; Picatinny Integration:\u003c\/b\u003e The ergonomic handguard incorporates a full-length top Picatinny rail for robust optics and iron sight mounting, complemented by extensive M-LOK attachment points at the 3, 6, and 9 o'clock positions. This allows for unparalleled modularity and seamless accessory integration, from tactical lights and lasers to foregrips and bipods.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDurable FDE Finish:\u003c\/b\u003e Treated with a resilient Flat Dark Earth Type III Class 2 hard coat anodize, providing superior abrasion resistance, corrosion protection, and a professional tactical aesthetic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUncompromising Reliability \u0026amp; Performance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eMitigated Recoil \u0026amp; Enhanced Control:\u003c\/b\u003e The meticulously designed gas system is optimized to ensure consistent cycling and mitigate felt recoil, fostering rapid follow-up shots and enhanced shooter control under dynamic conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eSeamless Platform Integration:\u003c\/b\u003e Engineered to integrate flawlessly with any mil-spec AR-15 lower receiver, the CK-PRO URG ensures consistent lock-up and reliability across diverse build configurations, making it an ideal upgrade for duty or competition.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eRigorous Quality Control:\u003c\/b\u003e Each COBALT KINETICS CK-PRO URG undergoes stringent quality assurance protocols, guaranteeing a product that meets KFF Defense's exacting standards for precision, durability, and mission-readiness. This URG is not merely an assembly of parts; it's a commitment to unwavering performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"COBALT KINETICS","offers":[{"title":"Default Title","offer_id":51443078005053,"sku":"194787","price":1294.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/1099\/5773\/files\/294554421.png?v=1772414420"}],"url":"https:\/\/kffdef.com\/collections\/upper-parts.oembed","provider":"KFF Defense","version":"1.0","type":"link"}