Radian Weapons Model 1 Builder Kit 15.5in M-LOK — Black

The Radian Weapons Model 1 Builder Kit is a semi-complete AR-15 upper assembly paired with a 15.5-inch Magpul M-LOK handguard, finished in Radian Black. The upper and handguard are precision CNC machined from billet aluminum and delivered as a matching set for a consistent fit and finish. This kit ships with a dust cover, lightweight forward assist, Raptor-SD ambidextrous charging handle, barrel nut, and the necessary installation hardware. The package does not include a barrel or a bolt carrier group, making it appropriate for custom builds or upgrades where the builder supplies those components.

Key Specifications

• The upper receiver is machined from billet 7075-T6 aluminum.
• The handguard measures 15.5 inches and features Magpul M-LOK accessory slots.
• The finish is Radian Black Cerakote.
• The kit includes a Raptor-SD ambidextrous charging handle.
• The kit includes dust cover and lightweight forward assist.
• The package includes barrel nut and installation hardware.
• The kit is listed as multi-caliber compatible per supplied data.
• The product is described as a semi-complete upper/handguard assembly.
• The kit does not include a barrel or bolt carrier group.

This builder kit provides a matched, high-quality foundation for a custom AR-15 upper assembly. With billet construction, ambidextrous controls, and M-LOK modularity, it is designed for builders who value precision fit, durable materials, and flexible accessory options.