Radian Weapons AX556 Billet Upper/Lower Receiver Set 14" Handguard - Black

AX556 Billet Upper/Lower Receiver Set 14" Handguard - Black

The Radian AX556 Billet Upper/Lower Set delivers precision machining, fully ambidextrous controls, and cutting-edge ergonomics, making it a top-tier foundation for serious AR builders. Chambered for 5.56 NATO/.223 Remington, this set is designed for both left- and right-handed shooters, featuring premium materials and next-level functionality. Finished in Black Cerakote, it offers exceptional durability with a modern tactical aesthetic.

Every component is hand-assembled, inspected, and test-fired to ensure flawless operation. Whether you're looking for a competition-ready platform, duty rifle, or precision setup, this ambidextrous billet AR package sets the standard for performance.

Billet Upper & Lower Receivers
CNC-machined for tight tolerances, improved strength, and enhanced durability.

Fully Ambidextrous Controls
Includes bolt catch/release, magazine release, and safety selector, ensuring fluid operation for any shooter.

Raptor-SD Ambidextrous Charging Handle
Effortless manipulation from either side, designed for quick-action scenarios.

Radian Talon 45/90 Safety Selector
User-configurable for either 45-degree quick throw or standard 90-degree engagement.

14" M-LOK Handguard
Extended rail space for increased accessory compatibility and superior heat dissipation.

Black Cerakote Finish
Corrosion-resistant and rugged, built to withstand demanding environments.

Lightweight Forward Assist & Anti-Rotation Pins
Optimized for durability while minimizing excess weight.

Aluminum Barrel Nut & Barrel Nut Wrench Included
Provides secure barrel attachment with easy installation.

Hand-Inspected & Test-Fired
Guaranteed for life.

Specifications

• Caliber: 5.56 NATO / .223 Remington / Multi
• Receiver Material: Billet Aluminum
• Finish: Black Cerakote
• Handguard: 14" M-LOK Modular Interface
• Safety Selector: Radian Talon Ambidextrous (45/90 Configurable)
• Charging Handle: Radian Raptor-SD Ambidextrous
• Bolt Catch & Release: Fully Ambidextrous
• Magazine Release: Fully Ambidextrous
• Included Hardware:
  • Aluminum Barrel Nut & Barrel Nut Wrench
  • Enhanced Takedown Pin Set
  • Hand Guard Cross Bolts, Washers & Nuts