Cobalt Kinetics CK-Pro Receiver Set CKPROSET675BLK Rifle 6.75" 5.56 NATO, Non-Rotating Upper, 8 TORX Handguard

This Cobalt Kinetics CK-Pro Receiver Set is an AR-15 pattern receiver kit built for users who want a strong, precision-oriented foundation for a custom rifle build. It uses 7075-T6 aluminum for both upper and lower receivers and includes a 6061 aluminum free-float handguard, all in a black finish. The set features Cobalt’s proprietary non-rotating upper receiver extension that secures the handguard to the upper with eight TORX screws, providing a rigid mounting system. The kit includes the upper receiver, lower receiver, handguard, ejection port assembly, forward assist assembly, jam nut, jam nut installation tool, and necessary screws.

• 7075 T6 aluminum upper and lower receivers
• 6061 aluminum free-float handguard with M-LOK slots
• Non-rotating upper with 8 TORX screw handguard mount

Designed as a premium receiver upgrade, this CK-Pro set provides a solid starting point for a custom AR-15 style rifle build. Its integrated non-rotating interface and included components make it well suited for users focused on durability and consistency.