The Cobalt Kinetics CK-Pro Receiver Set (Cobalt Kinetics part no. CKPROSET675FDE) is a premium AR upgrade kit built for top-tier performance and durability, pairing a matched upper and lower receiver with a proprietary non-rotating handguard mount.

Key Specifications

• Matched upper and lower receiver set from Cobalt Kinetics’ CK-Pro line.
• Configured for a 6.75-inch handguard length.
• Finished in FDE.
• Features a non-rotating upper receiver system secured with 8 TORX screws for a rock-solid handguard mount.
• Includes the upper, lower, handguard, and all necessary components for assembly.

Frequently Asked Questions

Is this a complete firearm? The lower receiver in this set is the serialized firearm and ships to your local FFL for transfer; the upper and handguard are unregulated accessories.

What’s included in the set? The upper, lower, handguard, and all mounting hardware needed for assembly.

Buy the Cobalt Kinetics CK-Pro Receiver Set

Order through Cobalt Kinetics‘s rifle lowers lineup, and our Lubbock, Texas team will handle the FFL transfer on the lower receiver.