Cobalt Kinetics CKPROSET675FDE | CK-Pro Receiver Set

The Cobalt Kinetics CK-Pro receiver set is a premium AR upgrade kit engineered for durability and repeatable alignment. It ships as a complete receiver set that includes the upper, lower, and handguard plus the hardware needed for assembly. The upper uses a proprietary non-rotating receiver system and a secure handguard mounting solution built around multiple TORX fasteners. This configuration suits precision-oriented builds and competitive or range-focused rifle projects.

Product Specifications

• The manufacturer is Cobalt Kinetics.
• The model/part number is CKPROSET675FDE.
• The product is a CK-Pro receiver set intended as an AR upgrade kit.
• The listed barrel length associated with this set is 6.75 inches.
• The finish is listed as FDE.
• The set includes upper, lower, handguard, and all necessary assembly components.
• The upper features a proprietary non-rotating receiver system for consistent alignment.
• The handguard mounts using 8 TORX screws for a rigid interface.
• The product is described for use on the AR platform as an upgrade kit.
• The category is listed as Rifle Lowers.
• The UPC is 850060560774.

This receiver set gives builders a solid foundation for a high-performance AR-style rifle. Its non-rotating upper and multi-bolt handguard interface prioritize repeatable alignment and rigidity, making it a practical choice for accuracy-focused builds and competition or dedicated range rigs. The CK-Pro set ships with the components needed to assemble a complete receiver group so you can focus on configuring the rest of your build to suit your needs.