Radical Firearms Complete Upper Assembly, 223 Remington/5.56 NATO, 16″ Barrel, Black

Product Description

The Radical Uppr 556 16″ 1-7 MLOK BLK is a complete upper assembly built for AR-15 builders. This 223 Remington/5.56 NATO upper features a 16-inch barrel with a 1:7 twist rate. The MLOK handguard provides modern rail compatibility for tactical accessories. Additionally, an A2 flash hider and black finish complete this professional-grade assembly.

The 1:7 twist stabilizes both standard 55-grain and heavier projectiles reliably. Therefore, you’ll enjoy excellent accuracy across various ammunition types without compromise. This barrel twist makes the Radical Uppr 556 ideal for shooters who want multi-platform versatility. Moreover, the 16-inch length balances velocity with maneuverability for practical shooting distances.

Key Features & Performance

Furthermore, this upper integrates seamlessly with any standard AR-15 lower receiver. The MLOK mounting system secures optics and tactical gear with confidence. Builders appreciate the quality construction and attention to detail throughout. The black finish provides a professional appearance suitable for hunting, sport shooting, or training.

The 16-inch barrel length optimizes performance for mid-range accuracy and practical applications. Additionally, the assembly requires no special adapters or modifications to install. First-time builders and experienced gunsmiths alike will find this upper reliable and straightforward.

Perfect for Training & Caliber Conversion

This upper excels as a training platform for shooters developing their skills. Furthermore, it’s an excellent caliber conversion option for builders with existing AR-15 lowers. Whether you’re upgrading your setup or building from scratch, the Radical Uppr 556 delivers value. Finally, the MLOK handguard supports precision optics for evolving your build over time.

Available at Western Sport – Roanoke, TX

Western Sport is a licensed FFL/SOT dealer serving the North Texas and DFW area since 2007. We stock quality AR-15 components and complete upper assemblies like the Radical Uppr 556. Our Roanoke, TX location provides expert guidance and fast local transfers. Call 817-393-4000 to check availability or place your order today.

Why Buy from Western Sport?

• Licensed FFL/SOT dealer with 17+ years of expertise in North Texas.
• Knowledgeable staff answers technical questions with confidence and accuracy.
• We verify shipping restrictions and handle all legal compliance automatically.
• Competitive pricing on premium Radical Firearms components year-round.
• Complete after-sale support ensures your satisfaction with every purchase.

Frequently Asked Questions

Q: Will the Radical Uppr 556 work with my AR-15 lower receiver?

A: Yes, this upper is fully compatible with any standard AR-15 lower receiver. The assembly requires no special adapters or modifications. Simply connect it to your lower and you’re ready to go.

Q: What ammunition performs best in the 1:7 twist barrel?

A: The 1:7 twist stabilizes both lighter 55-grain loads and heavier rounds reliably. This versatility makes it suitable for hunting, sport shooting, and training applications. We recommend testing different ammunition to find your preferred load and accuracy.

Q: What’s the process for purchasing an upper assembly in Texas?

A: AR-15 upper assemblies like the Radical Uppr 556 ship directly to your address. No FFL transfer is required for upper receivers. Contact us at 817-393-4000 to confirm shipping eligibility for your location.

Q: Is the Radical Uppr 556 suitable for long-range shooting applications?

A: The 16-inch barrel optimizes mid-range accuracy and practical shooting performance. Additionally, the MLOK handguard supports mounting precision optics for longer distances. However, dedicated long-range builds typically use 20-inch or longer barrels for maximum velocity.

Additional information