Cobalt A5-Ckh3 A5-Ck Buffer H3(6.08 Oz)

The Cobalt Kinetics A5-CKH3 buffer is a purpose-built AR platform component designed for shooters who want to fine-tune their rifle's recoil impulse and bolt carrier group timing. This H3-weight buffer weighs 6.08 ounces and pairs with standard AR A5 buffer tubes to dial in the performance characteristics your specific build demands. Whether you're running a suppressor, a heavy barrel profile, or just prefer a softer recoil stroke, an adjustable buffer system gives you control that a one-size-fits-all setup can't match.

Cobalt Kinetics brings precision engineering to every component. The A5-CKH3 is constructed from black anodized aluminum, delivering the durability you'd expect from a brand focused on repeatability and reliability. This weight class slots into the mid-to-heavy range of the A5 ecosystem, making it a solid choice for AR builds that benefit from additional mass in the buffer for reduced felt recoil and improved cycling consistency.

If you're building or tuning an AR carbine and you've already dialed in your gas settings, the next logical step is optimizing your buffer weight. The A5-CKH3 gives you a proven option without the guesswork. Drop it into your A5 tube and run it—Cobalt's reputation is built on components that work when they need to.

Key Features

• H3 weight class (6.08 oz) for moderating recoil impulse on AR platforms
• Black anodized aluminum construction for corrosion resistance and durability
• Compatible with standard AR A5 buffer tube systems
• Engineered for precision and repeatability by Cobalt Kinetics

Specifications

Frequently Asked Questions

What AR buffer tube systems does the A5-CKH3 work with?

The Cobalt Kinetics A5-CKH3 is designed for use with standard AR A5 buffer tube systems.

How does the H3 weight compare to other buffer options?

The H3 classification places this buffer in the mid-to-heavy weight range, which helps moderate recoil and can improve reliability in AR builds that benefit from additional mass in the buffer system. The exact effect will vary based on your gas system, barrel length, and ammunition.

What is included?

You receive the Cobalt Kinetics A5-CKH3 buffer. Installation into an existing A5 buffer tube system requires no additional components.