The Radian model 1 upper receiver and hand guard are precision CNC machined to function seamlessly as a unified set, strategically reinforced in critical areas to enhance strength and durability. Crafted from billet 7075-T6 aluminum, the upper receiver includes a dust cover, hand guard anti-rotation pin, lightweight forward assist and the Raptor-SD ambidextrous charging handle. The hand guard features Magpul M-LOK slots for attaching accessories, secured to the barrel nut with four black nitride-coated steel cross-bolts to resist corrosion. Every surface is meticulously machined and chamfered to ensure a smooth and comfortable grip, devoid of any sharp edges. Finally, both components are finished with a selection of Radian Cerakote options to achieve a perfectly matched appearance.