Knights Armament SR-15 Notched Upper Kit Urx-6 And Ff Ras 5 Compatible - 123878
Out of stock
Elevate your SR-15 build with the Knight’s Armament SR-15 Notched Upper Kit, engineered for seamless compatibility with URX-6 and FF RAS 5 handguards. Crafted from premium 7075 aluminum and finished in durable black anodizing, this notched upper receiver delivers the precision and reliability demanded by tactical enthusiasts and professionals alike. Whether you’re customizing for competition, duty, or personal defense, this kit ensures a robust foundation that enhances accuracy and modularity without compromising on quality.
Key Features
- Notched Design: Precision-machined notch for effortless installation of URX-6 modular rail systems and FF RAS 5 free-float handguards, allowing quick swaps and upgrades to optimize your rifle’s ergonomics and accessory mounting.
- High-Grade Construction: Forged from aerospace-grade 7075-T6 aluminum, providing exceptional strength-to-weight ratio to withstand rigorous use while keeping your setup lightweight at just 7.2 ounces.
- Included Components: Comes complete with forward assist assembly and port door dust cover, ensuring full functionality right out of the box and protecting against environmental debris during field operations.
- Enhanced Feed Ramps: M4-style feed ramps promote smooth and reliable feeding of ammunition, reducing malfunctions and boosting overall performance in high-stress scenarios.
Specifications
- Material: 7075-T6 Aluminum
- Finish: Hardcoat Anodized Black
- T-Marks: Yes, for precise handguard alignment
- Feed Ramps: M4 Barrel Extension Compatible
- Weight: 7.2 oz
- Dimensions: Length: 7.8 in, Width: 1.25 in, Height: 2.2 in
- Compatibility: SR-15 and mil-spec AR-15 lowers; URX-6 and FF RAS 5 handguards
Why Choose This Product
Investing in the Knight’s Armament SR-15 Notched Upper Kit addresses common challenges in AR-15 customization, such as handguard fitment issues and receiver durability. This kit’s notched configuration eliminates the need for aftermarket modifications, saving you time and hassle while maintaining the legendary KAC standards of reliability. Users praise its flawless integration and long-term performance, making it ideal for those seeking a battle-proven upgrade that enhances accuracy, reduces recoil effects, and supports a wide array of tactical accessories. Build with confidence knowing you’re using components trusted by elite forces worldwide.
Ready to take your SR-15 to the next level? Secure this essential upper kit today and experience the difference in precision engineering that sets Knight’s Armament apart.
Frequently Asked Questions
1. What handguards is this upper kit compatible with?
This notched upper is specifically designed for URX-6 modular rails and FF RAS 5 free-float handguards, ensuring a secure and stable fit for enhanced accuracy and accessory mounting.
2. Does the kit include the forward assist and dust cover?
Yes, the kit includes both the forward assist assembly and the port door dust cover, providing complete out-of-the-box functionality to protect and operate your rifle effectively.
3. Is this upper compatible with standard AR-15 lowers?
Absolutely, it pairs seamlessly with both SR-15 and mil-spec AR-15 lower receivers, offering versatile compatibility for your existing build or new custom rifle.
| Weight | 7.2 oz |
|---|---|
| Dimensions | 7.8 × 1.25 × 2.2 in |
| Finish | Anodized, Black |
| Forward Assist | Compatible |
| Port Door / Dust Cover | Compatible |
| Receiver Material | 7075 Aluminum |
| T-Marks | T-Marked |
| Feed Ramps | M4 |
| MPN | 123878 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
|
Loading FFL contacts, please wait...
|



