Cobalt Kinetics CK-PRO-URG-118-S-CKG 11.8″ Upper Receiver Group

The Cobalt Kinetics CK-PRO-URG-118-S-CKG 11.8″ Upper Receiver Group is a precision-engineered component built for serious AR builders, competitive shooters, and tactical enthusiasts who demand exacting quality in a compact configuration. Part of Cobalt Kinetics’ respected CKG platform, this URG is manufactured to tight tolerances using premium materials — delivering the reliability and consistency that Cobalt Kinetics is known for throughout the firearms community.

The 11.8″ barrel configuration strikes an effective balance between maneuverability and ballistic performance, making this upper receiver group a compelling choice for custom AR builds, range use, and home defense configurations. Designed as a drop-in compatible upper receiver group, it is engineered to pair with standard compatible lower receivers, simplifying the build process without sacrificing performance.

Hard-to-find components like the CK-PRO-URG-118-S-CKG are exactly what Deep Roots Rifle Co specializes in — so you can spend less time searching and more time building. Whether you’re upgrading an existing platform or starting a new project from the ground up, our team is here to help.

Order online at deeprootsrifleco.com for fast shipping nationwide, or visit our gun store in Eustis, Florida, where our knowledgeable staff can provide expert guidance on parts compatibility, build configurations, and everything in between. Competitive pricing, hard-to-find inventory, and a genuine passion for the craft — that’s the Deep Roots Rifle Co difference.