Cobalt Kinetics CKPROSET98BLK | CK-Pro 9.8″ Black

The Cobalt Kinetics CK-Pro receiver set is a factory-configured AR upgrade kit engineered for durability and a rigid handguard interface. It features a proprietary non-rotating upper receiver system secured with eight TORX screws to maintain a repeatable mounting surface. Each set ships with the upper, lower, handguard, and the necessary components for assembly in a Black finish. The product name includes the 9.8″ designation as part of the model identification.

Product Specifications

• The manufacturer is Cobalt Kinetics.
• The model name is CK-Pro Receiver Set 9.8″ Black.
• The manufacturer part number is CKPROSET98BLK.
• The UPC is 850060560804.
• The product category is Rifle Lowers.
• The gun type is listed as Rifle.
• The finish is Black.
• The set includes upper, lower, handguard, and all necessary components for assembly.
• The upper features a proprietary non-rotating receiver system for a stable mounting interface.
• The handguard/upper interface is secured by 8 TORX screws to maintain rigidity.
• The product designation includes 9.8″ as shown in the model name.

Designed for builders who prioritize a stable receiver-to-handguard interface, this CK‑Pro set provides the core components needed for custom AR assemblies and precision-oriented builds. Its non-rotating upper system and multi-screw handguard mounting approach help preserve alignment under repeated assembly and use, making it suitable for competition-grade builds and long-range or hunting platforms where a consistent fitment matters.