Cobalt Kinetics

CK-Pro Receiver Set


o Upper receiver: 7075 T6 aluminum

o Lower receiver: 7075 T6 aluminum

o Handguard: 6061 aluminum

o 1-3 Week Lead Time

  • *Rail Length


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    Due to the increased demand, production times can vary from 4-6 weeks.

Product Description

Owners Manual – Download Here

CK-Pro Receiver Set Details

The Cobalt Kinetics CK-Pro receiver sets were designed for end users that want to build the very best AR by using the best receiver set you can source for your project build. The design for our upper receiver features our proprietary receiver extension that gives your barrel a rock solid foundation and secures the handguard onto the upper receiver via 8 TORX head screws giving you a TRUE non- rotating system. You will be able to enjoy the features of a mono-lithic upper receiver without the same drawbacks that a mono-lithic upper receiver has. All CK-Pro receiver sets come with; upper, lower, handguard, ejection port assy, forward assist assy, necessary screws, jam nut, and jam nut installation tool. Upgrade your current platform, RUN COBALT!

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The Cobalt Difference

Cutting Edge


Cobalt will never be satisfied with the status quo. We are always asking – Why? With our imagination, incredible engineers, and a desire to improve; we are constantly innovating an already amazing platform. We continue to explore how our innovative improvements can make you a faster and more accurate shooter. Innovation is at the core of who we are.

Military Grade


We torture test our rifles and pistols in the most extreme conditions, from the snow to the desert heat, they will function in any environment. The tight tolerances of the firearms protect the internal components from external elements. We Cerakote all our firearms to add to the durability. Multiple sources have reported that they have run our firearms in excess of the 50,000 rounds mark.

Match Grade


Our components are precisely engineered to the tightest tolerances. Our standards far exceed that of other manufacturers. We included match grade barrels and premium triggers in every firearm to enhance accuracy. Our Pro Buffer comes standard to reduce recoil allowing faster follow up shots. From the aggressive look and design to the quality of the components within, we are committed to assembling the finest firearms in the industry.



Every angle we cut, and every component we use, serves a function in our overall design that must be shot to be fully appreciated. At Cobalt Kinetics we source premium parts to compliment our high tolerances and precision engineering. Each component undergoes a strict quality control check before being installed into our firearms.

Download User Manual HERE