Knights Armament 11 Rib Handguard Panel

The Knights Armament 11 Rib is a complete, ready-to-run upper receiver for your AR build, assembled to deliver accuracy and dependable function right out of the box. Genuine, in-stock and ready to ship, the Knights Armament 11 Rib is built to perform and to last.

Specifications

Category	Upper Receiver
Build	Precision-manufactured to tight tolerances

Ready to run

This complete upper takes the guesswork out of a build — it arrives correctly assembled, headspaced and ready to drop onto a compatible lower. That means less time troubleshooting and more time shooting.

Confirm compatibility with your lower and your intended ammunition, and you have a turnkey path to a great-shooting rifle.

Why it matters for your build

Details matter on a precision rifle, and the Knights Armament 11 Rib is engineered with that in mind. Consistent manufacturing translates directly into reliability and accuracy downrange — exactly what you want from a core component you are building around.

If you are unsure whether the Knights Armament 11 Rib fits your specific platform or goals, our team can help you choose the right part for the job.

Complete your build

A great rifle is the sum of its parts. Pair the Knights Armament 11 Rib with quality ammunition and the right supporting components for a setup that shoots its best. Explore matching gear in our full catalog, and read our 300 Blackout vs 5.56 guide for help dialing in your caliber.

Why buy from Blackout Ammunition

We carry genuine, in-stock upper receivers and ship fast to lawful destinations nationwide. Browse our full catalog, review our shipping & delivery details, and check the FAQ before you order, or visit blackoutammo.shop for more gear and ammunition to finish your build.

Buy with confidence

Every Knights Armament 11 Rib we ship is genuine and inspected, backed by a team that knows the platform. If you have questions about fit, compatibility or getting the most from it, reach out before you order.

Quality components are the foundation of a rifle that shoots well and lasts, and this is built to that standard.

Fast shipping and ordering

We ship most in-stock orders quickly and securely to lawful destinations across the United States, with tracking so you know where your order is. Ordering the Knights Armament 11 Rib is straightforward, and our team is available if you need help before or after your purchase.

Review our shipping and delivery details for timelines and any state or item-specific requirements before you order.

Genuine products, real support

When you buy the Knights Armament 11 Rib from Blackout Ammunition, you get a genuine product handled by people who actually know the platform — not a faceless warehouse. We stand behind what we sell and are here to help you build and shoot with confidence.

Have a question first? Our FAQ covers the common ones, and you can always reach out for personal guidance.

Explore related products and guides

Looking for more? Browse our full catalog for matching ammunition, suppressors and components, and read our 300 Blackout vs 5.56 guide to dial in your setup. Whatever you are building, you will find genuine, in-stock gear and the knowledge to use it well.

Questions about the Knights Armament 11 Rib or your build? Reach out and our team will help you choose with confidence.

Frequently asked questions

What is the Knights Armament 11 Rib?

It is a precision upper receiver built to high tolerances for accuracy and reliability in your build.

Is it in stock?

Yes — genuine and ready to ship. Confirm current availability on the product page.

Will it fit my build?

Confirm compatibility with your specific platform and caliber before installation. Our team can help if you are unsure.

Do you ship fast?

Yes — most in-stock orders ship quickly to lawful destinations.

This product is intended for lawful use only. Firearms, barrels and certain components may be regulated; you are responsible for complying with all federal, state and local laws.