Cobalt Kinetics CK-Pro AR-15 9.8" M-LOK FDE Receiver Set

The Cobalt Kinetics CK-Pro Receiver Set is a premium AR-platform builder's kit featuring Cobalt Kinetics' proprietary non-rotating upper interface, secured with eight TORX-head cap screws for a secure fit between the upper and lower. This 9.8" FDE (Flat Dark Earth) configuration ships with a matching M-LOK free-float handguard, giving builders a turnkey foundation for a custom AR rifle, pistol, or other short-barrel build.

Each set includes the Cobalt Kinetics upper, CK-Pro lower, 9.8" M-LOK handguard, ejection port assembly, forward assist assembly, all necessary mounting hardware, the jam nut, and the jam nut installation tool. To complete a build, the customer supplies the barrel, bolt carrier group, charging handle, muzzle device, buffer and spring assembly, pistol grip, stock or brace, and optic of their choice. The Flat Dark Earth finish is matched across the set for a uniform look on a finished build.

The 9.8" M-LOK handguard provides a slim free-float platform with M-LOK accessory slots along its length and across its bottom for mounting lights, lasers, foregrips, bipods, and other accessories. Manufactured by Cobalt Kinetics to tight tolerances with the CK-Pro's signature non-rotating upper interface, this receiver set is aimed at the builder who wants a premium, high-end foundation for a custom AR.

DISCLAIMER: Firearms and receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Please visit our shipping restrictions page to review all applicable restrictions for your state. Subject to change.