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Cobalt Kinetics

Cobalt Kinetics Fixed Billet Stock


Total length from lower receiver, 10.25 inches.

Total drop from bore axis, 4.1 inches.

Weight, 17 ounces.

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Product Description

Cobalt Kinetics Fixed Billet Stock Details


Cobalt’s Universal Billet AR-15 Stock provides superior balance, ergonomics, and Cobalt’s signature aggressive visual appeal. Cobalt’s engineers have gone to great effort to develop a stock that enhances control and handling characteristics of your rifle. The stock’s length of pull and drop at the heel have been optimized to enhance ergonomics and comfort; while the overall weight shifts a rifle’s balance point closer to the shooter to speed transitions and reduce arm fatigue. We machine our stocks from solid  aluminum billet then finish them in armor black cerakote.


The Universal Billet Stock will fit all standard rifle length receiver extensions and matches up cleanly to all forged and most billet receiver types. Our stock includes mounting screw and does not require the A2 spacer.


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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.