$759.58
1 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The Cobalt Kinetics CK-Pro URG 6.75" stripped upper receiver is the starting point for anyone chasing the same performance edge Cobalt engineers into their complete rifles. This is the stripped configuration, meaning it comes as a receiver blank without a barrel, bolt carrier group, or charging handle. That leaves you free to spec the rest of the build exactly how you want it while starting from a receiver that's machined to tight tolerances and finished in durable Flat Dark Earth Cerakote.
The real story here is Cobalt's proprietary receiver extension and locking design. Instead of a traditional externally threaded receiver extension, the CK-Pro upper uses a design that seats the barrel evenly and gives it a genuinely solid foundation. The handguard then anchors to the upper with eight TORX head screws, creating a true non-rotating system. You get a lot of the rigidity and sight-plane consistency people love about monolithic uppers, without carrying the same weight and machining headaches those designs bring.
The receiver is machined from 7075-T6 aluminum, the tougher aircraft-grade alloy that holds up to hard use and heat far better than lower-grade material. Paired with the FDE Cerakote finish, you get corrosion resistance and a look that pairs cleanly with matching handguards and lowers. The 675 designation lines up with Cobalt's 6.75" rail length, which is the short, handy setup they pair with a 7.5" barrel on their built pistols and SBRs.
If you're building a compact, high-end AR and want a receiver that treats barrel and handguard fitment as seriously as you do, this stripped CK-Pro upper gives you a premium platform to build on. It fits the CK-Pro handguard system and pairs naturally with a matching CK-Pro lower for a cohesive, purpose-built rifle.
No. This is the stripped configuration, so it ships without a barrel, bolt carrier group, or charging handle. You'll supply those parts to complete the build, which is exactly the point of starting with a stripped receiver like this one.
Cobalt uses a proprietary receiver extension that seats the barrel and locks the handguard to the upper with eight TORX head screws. The result is a true non-rotating interface that stays put under hard use. It gives you much of the rigidity of a monolithic upper without the usual drawbacks of that design.
This upper is designed around Cobalt's CK-Pro handguard system and the 6.75" rail length that matches the 675 model designation. Because the mounting interface is proprietary, plan to run a matching CK-Pro handguard rather than a standard M-LOK rail from another brand.
Yes. The CK-Pro receivers are machined from 7075-T6 aluminum, the aircraft-grade alloy known for strength and heat resistance. Combined with the Flat Dark Earth Cerakote finish, it holds up well to real-world use and corrosion.
| UPC | 850060560293 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | CKPROURG675SFDE |
| Product Type | Stripped |
You must be logged in to post a review.
Reviews
There are no reviews yet.