Description
Radian AX556 Billet Upper/Lower Set – 15.5″ M-Lok, Flat Dark Earth Cerakote, .223 Remington / 5.56x45mm
The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and aesthetics, the Model 1 features fully ambidextrous controls, adding much-needed utility for both left and right handed shooters. Every Model 1 is assembled by hand, one at a time, by a trained gunsmith who inspects, test fires, and cleans the weapon to personally guarantee it meets the most rigid quality standards. No detail has gone overlooked, which is why the Model 1, like every Radian product, is guaranteed for life.
Radian AX556 Billet Upper/Lower Set – 15.5″ M-LOK Handguard | Flat Dark Earth Cerakote | .223 Rem/5.56 NATO
The Radian AX556 Billet Upper/Lower Set is built for shooters who demand precision, reliability, and standout aesthetics. Machined from premium 7075-T6 aluminum and finished in Flat Dark Earth Cerakote, this matched set features a 15.5″ M-LOK handguard, ambidextrous controls, and enhanced ergonomics. Perfect for high-performance AR-15 builds chambered in .223 Remington / 5.56x45mm NATO.
Precision Engineering for Enhanced Performance – Upgrade your AR-platform rifle with the Radian AX556 Billet Upper/Lower Set. Designed for optimal performance and durability, this set features a 15.5″ M-Lok handguard, providing ample rail space for accessories and attachments. The billet aluminum construction ensures strength and precision machining, while the Flat Dark Earth Cerakote finish offers enhanced corrosion resistance.
Key Features of Radian AX556 Billet Upper/Lower Set – 15.5″ M-Lok, Flat Dark Earth Cerakote, .223 Remington / 5.56x45mm
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Caliber Compatibility: Chambered in .223 Remington / 5.56x45mm for versatile ammunition options.
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Upper Receiver: Features a monolithic upper with a full-length Picatinny rail, providing a solid platform for optics and accessories.
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Lower Receiver: Precision-machined from billet aluminum for strength and consistency.
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Handguard: 15.5″ M-Lok handguard offers ample space for mounting accessories and ensures a lightweight build.
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Finish: Flat Dark Earth Cerakote for enhanced durability and corrosion resistance.
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Ambidextrous Controls: Fully ambidextrous controls for ease of use by both left- and right-handed shooters.
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Compatibility: Designed to fit Mil-Spec AR-15 components.
What’s Included
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1x Billet Upper Receiver
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1x Billet Lower Receiver
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1x 15.5″ M-Lok Handguard
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1x Radian Talon Safety Selector
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1x Radian Raptor Charging Handle
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Installation Hardware
Specifications of Radian AX556 Billet Upper/Lower Set – 15.5″ M-Lok, Flat Dark Earth Cerakote, .223 Remington / 5.56x45mm :
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Model: AX556
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Material: Billet Aluminum
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Finish: Flat Dark Earth Cerakote
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Handguard Length: 15.5″
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Rail System: M-Lok
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Compatibility: Mil-Spec AR-15 Components
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Weight: Approximately 2.5 lbs
Also Available :
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Timney Impact Trigger AR-15 – 3lb Break, Drop-in
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Hiperfire Hiperswitch Ambidextrous Safety Selector Set – AR-15/AR-10, 60° Short Throw
Hiperfire Enhanced Duty Trigger – Sharp Shooter (EDTSS) for AR-15/AR-10
Radian Competition Talon Ambidextrous 45/90 Safety Selector– AR-15 Long/Short
Rise Armament RA-434 High Performance Trigger – AR-15/AR-10, Flat, 3.5 lbs Pull Weight
Radian AX556 Billet Upper/Lower Set – 17″ M-Lok, .223 Remington / 5.56x45mm







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