SKU: 158390
UPC: 817093022600
MPN: R0406
The Radian Weapons R0406 Builder Kit with 15.5-inch hand guard in FDE (Flat Dark Earth) is a premium AR-15 upper receiver component system engineered for operators who demand precision and durability across extended duty cycles. This builder kit combines a quality hand guard with integrated mounting options, delivering a reliable foundation for custom AR platform builds. The 15.5-inch profile balances ergonomic control with sight radius optimization, making it suitable for tactical, competitive, and general-purpose rifle configurations.
The 15.5-inch hand guard length provides adequate rail space for accessory mounting—optics, lights, vertical grips, and other tactical attachments—while maintaining a compact overall package. FDE finish offers excellent corrosion resistance and blends well with modern tactical loadouts. At 5.82 lbs total kit weight, the R0406 balances material integrity with practical handling characteristics. The hand guard design prioritizes shooter control and thermal management during high-round-count training or operational scenarios where sustained fire demands heat dissipation.
This kit suits AR-15 builders seeking a quality upper receiver component set from a brand known for precision manufacturing. Whether building a precision rifle, patrol carbine, or competition platform, the Radian R0406 provides verified compatibility and modular construction. Serious shooters and tactical professionals value Radian components for consistency and long-service reliability. The builder kit format allows integration into existing platforms or complete custom builds without proprietary constraints.
The AR-15 platform remains the standard in law enforcement patrol rifles, military training configurations, and civilian precision shooting. Hand guard selection directly impacts ergonomics, accessory capability, and heat management. The Radian R0406 in FDE delivers proven performance in a color option that coordinates with modern tactical gear and firearm finishes.
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