Radian Weapons Model 1 Builder Kit Features This semi-automatic builder kit centers around the Radian A-DAC Lower Receiver engineered for ambidextrous control and intuitive operation. The billet upper comes pre-installed with a lightweight forward assist dust cover and anti-rotation pin. The 14-inch M-LOK handguard provides modular accessory compatibility while keeping the platform lightweight and rigid for consistent accuracy. Also included are the Raptor-SD Ambidextrous Charging Handle Talon 45/90 Safety Selector ambidextrous bolt catch and magazine release and an enhanced takedown pin set-all hallmarks of Radian's innovation. Designed for builders who demand seamless function and premium aesthetics this kit simplifies the custom build process without compromising on quality. Radian Weapons Model 1 Builder Kit Specifications Brand: Radian Weapons Model: Model 1 Builder Kit Type: Semi-Automatic Billet Upper/Lower Set Caliber: 5.56 NATO / .223 Remington Finish: Brown Cerakote Ambidextrous: Yes Upper Receiver: Billet with dust cover forward assist and anti-rotation pin installed Lower Receiver: Radian A-DAC (Ambidextrous Dual Action Catch) Handguard: 14 M-LOK Modular Free Float Charging Handle: Raptor-SD Ambidextrous Safety: Radian Talon 45/90 Ambidextrous Selector Bolt Catch: Ambidextrous Magazine Release: Ambidextrous Takedown Pins: Enhanced Set Included Additional Components: 1x Aluminum Barrel Nut 1x Barrel Nut Wrench 4x Handguard Cross Bolts with Washers & Nuts Category: Builder Kits