The Radian Model 1 Builder Kit pairs a billet upper receiver with a 15.5″ Magpul M-LOK handguard as a matching, precision-machined set intended for AR-15 builders and custom assemblies. The upper is optic-ready and ships with ambidextrous controls, a dust cover, lightweight forward assist, and the Radian Raptor-SD ambidextrous charging handle. This kit does not include a barrel or bolt carrier group and is provided as a semi-complete upper assembly for integration into a custom build.
Key Specifications
- The upper is machined from 7075-T6 aluminum for structural strength and rigidity.
- The handguard measures 15.5 inches and features Magpul M-LOK accessory mounting slots.
- The finish is Radian Black Cerakote for corrosion resistance and consistent appearance.
- This kit includes a Raptor-SD ambidextrous charging handle for user-friendly operation from either side.
- The package includes a dust cover and lightweight forward assist assembled on the upper receiver.
- The handguard attaches using four steel cross bolts with black nitride coating for corrosion resistance.
- Included accessories consist of a barrel nut and installation hardware to mount a barrel (barrel not included).
- The product is described as Multi-Caliber in the provided specifications.
- The component type is listed as a Semi-Complete AR-15 upper/handguard assembly.
- The assembly is optic ready and intended for use with aftermarket optics and accessories.
This builder kit provides a matched billet upper and M-LOK handguard solution for experienced builders seeking a high-quality foundation for a custom AR-15. With a durable 7075-T6 construction, ambidextrous controls, and an optic-ready profile, it streamlines installation of aftermarket barrels and bolt carrier groups while offering a clean, modular platform for accessories and sighting systems.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
