The Radian Weapons Model 1 builder kit pairs a forged/billet upper and a matched AX556 lower into a single receiver set designed for AR-15 builders and enthusiasts. It ships with a 17-inch M-LOK handguard, ambidextrous controls, and key control components to simplify assembly. Finished in black Cerakote, this kit is intended for use in sport shooting, precision-oriented builds, and general-purpose carbine projects.
Key Specifications
- The gun type is AR-15.
- The product type is Lower/Upper Set.
- The model designation is AX556.
- The listed caliber is .223 REM/5.56 NATO.
- The action type is Semi-Auto.
- The builder kit includes a handguard of 17 inches with M-LOK attachment points.
- The control configuration is Ambidextrous.
- The finish is specified as Cerakote in Black.
- Included components list Raptor-SD charging handle, Radian Talon ambidextrous safety, and Radian AX556 lower receiver.
- The weight is listed as 5.7 in the provided data.
This builder kit consolidates the core receiver and control items you need to start a quality AR-15 build without excess or filler. Components are presented for reliable fit and function in a precisely machined package that suits competitive, range, and general-purpose projects. The included ambidextrous controls and hardware simplify assembly and provide a solid platform for customization.
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.




