The Radian Weapons ADAC-15 stripped lower receiver (part no. R0166) gives builders a solid foundation for a custom AR-15 build in a classic Black anodized finish. As a bare receiver, it ships with no internal fire-control parts, buffer tube, or grip installed, so you can drop in the exact trigger, safety selector, and furniture you want. Chambered for the .223 Remington/5.56 NATO family, this semi-auto receiver accepts standard AR-15 magazines and components, making it a straightforward starting point for a range gun, home-defense rifle, or precision build.

Key Specifications

• Chambered for .223 Remington/5.56 NATO, the standard AR-15 caliber family most parts kits and barrels are built around.
• Finished in classic Black anodizing for a look that matches standard AR-15 furniture.
• Sold as a stripped lower receiver, meaning no fire-control group, buffer tube, or grip is installed, so you control every internal component.
• Runs a semi-auto action, firing one round per trigger pull with standard AR-15 components.
• Ships at a compact 1.6-pound shipping weight, keeping freight costs low for a parts order.
• Machined from billet 7075-T6 aluminum for a stronger, more precise receiver than standard forgings.
• Finished with Type III hardcoat anodizing for maximum wear and corrosion resistance.
• Equipped with a Talon ambidextrous safety selector for either-handed operation.
• Features Radian’s patented A-DAC (Ambidextrous Dual Action Catch) system, letting right-handed shooters lock the bolt without breaking their grip.

Frequently Asked Questions

Does this lower receiver include a trigger or other internal parts? No, it ships stripped, so you supply the fire-control group, buffer tube, and grip of your choice.

What caliber is this lower built for? It is chambered for the .223 Remington/5.56 NATO family, the standard AR-15 platform caliber.

Will standard AR-15 parts kits fit this receiver? Yes, it uses standard AR-15 dimensions, so mil-spec parts kits and furniture already on the market will fit.

Buy the Radian Weapons ADAC-15 Stripped Lower Receiver, Black

Order this Radian Weapons ADAC-15 stripped lower receiver in Black from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and start your custom AR-15 build on a proven foundation. Browse our full selection of AR15 lower receivers for more build options.