Radian Weapons R0436 Model 1 Builder Kit 8.50-inch M-LOK

The Radian Weapons R0436 Model 1 Builder Kit supplies matched AR-15 components intended for custom builds. It ships with a billet upper receiver preinstalled with a dust cover, anti-rotation pin, and a lightweight forward assist, plus an 8.50-inch Magpul M-LOK handguard and a Radian AX556 lower receiver. The kit includes ambidextrous controls and the necessary installation hardware to support assembly and setup. These components are presented for builders who want a compact, modular foundation for an AR-style platform.

Key Specifications

• Manufacturer: Radian Weapons.
• Model: R0436 Model 1 Builder Kit.
• Handguard: 8.50-inch Magpul M-LOK handguard.
• Gun Type: AR-15.
• Handguard Finish: Radian Gray.
• Lower Receiver Included: Radian AX556 Lower Receiver.
• Charging Handle Included: Raptor-SD Ambidextrous Charging Handle.
• Safety Selector Included: Radian Talon 45/90 Ambidextrous Safety Selector.
• Controls & Hardware: Ambidextrous bolt catch, ambidextrous magazine release, enhanced takedown pin set.
• Installation Accessories: Aluminum barrel nut, barrel nut wrench, and hand guard cross bolts, washers & nuts.

This builder kit combines purpose-selected components and ambidextrous controls to provide a solid foundation for a compact AR-15 build. The modular M-LOK handguard and included hardware make it practical for a range-focused assembly where adaptability and streamlined installation are priorities.