AX556 Billet Upper/Lower Receiver Set 17″ Handguard – Brown
The Radian AX556 Billet Upper/Lower Set offers elite-level craftsmanship, fully ambidextrous controls, and a precision-engineered foundation for serious shooters. Finished in Brown Cerakote, this semi-automatic 5.56 NATO/.223 Remington set provides tight tolerances, premium materials, and ergonomic enhancements to maximize efficiency for both left- and right-handed users.
Every Model 1 build is hand-assembled, test-fired, and inspected, ensuring combat-proven reliability and flawless performance in tactical, competition, or duty applications. With an extended 17” M-LOK handguard, this platform is ready for precision setups, long-range optimization, and accessory flexibility.
Billet Upper & Lower ReceiversCNC-machined for maximum durability, precision, and strength.
Fully Ambidextrous ControlsIncludes bolt catch/release, magazine release, and safety selector, ensuring smooth operation regardless of shooting stance.
Raptor-SD Ambidextrous Charging HandleDesigned for optimal suppressed use and seamless manipulation.
Radian Talon 45/90 Safety SelectorUser-configurable safety throw for either 45-degree quick access or 90-degree standard engagement.
17″ M-LOK HandguardExtended rail space for maximum accessory mounting and optimal rifle balance.
Brown Cerakote FinishRugged, corrosion-resistant coating for enhanced wear resistance.
Lightweight Forward Assist & Anti-Rotation PinsMinimizes unnecessary weight while maintaining reliability.
Aluminum Barrel Nut & Barrel Nut Wrench IncludedEnsures secure barrel fitment and hassle-free installation.
Hand-Inspected & Test-FiredGuaranteed for life.
Specifications
- Caliber: 5.56 NATO / .223 Remington
- Receiver Material: Billet Aluminum
- Finish: Brown Cerakote
- Handguard: 17″ 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
