The Radian Model 1 Complete Lower Receiver A-DAC 15 with FBX Trigger in Radian Grey (Model R0866) is a premium, fully ambidextrous rifle lower receiver engineered for high-performance AR-15 builds. Combining Radian’s advanced A-DAC 15 platform with their exceptional FBX trigger and finished in the signature Radian Grey Cerakote, this complete lower delivers unmatched ergonomics, reliability, and modern functionality for serious shooters, competitive marksmen, and professional users.
Premium A-DAC 15 Ambidextrous Rifle Platform
The A-DAC 15 lower receiver represents Radian’s commitment to true ambidextrous design. It features fully bilateral controls, including an ambidextrous safety selector, magazine release, and bolt catch. This allows left-handed shooters to operate the rifle with the same speed and efficiency as right-handed users, while also providing right-handed shooters with enhanced manipulation options during tactical movements or competition. Every control is precisely machined and finished to match the overall aesthetics of the Model 1 series.
The Radian Model 1 A-DAC 15 Complete Lower Receiver in Radian Grey offers superior ambidextrous functionality and premium build quality for high-end AR-15 rifle builds.
Key Features of the Radian Model 1 A-DAC 15 Rifle Lower
- A-DAC 15 Ambidextrous Controls – Bilateral safety selector, magazine release, and bolt catch
- FBX Trigger – High-performance flat-faced trigger with crisp, consistent break
- Rifle Configuration – Designed for standard AR-15 rifle builds with buffer tube and stock
- Radian Grey Finish – Premium Cerakote coating in Radian’s signature grey
- Model 1 Series Quality – Precision machined from high-grade billet aluminum
- Enhanced Ergonomics – Improved grip angle and control placement for better handling
- Model R0866 – Official Radian Arms part number
- UPC 810098421386 – Authentic Radian product
Why Choose the Radian Model 1 A-DAC 15 Complete Lower Receiver?
The Radian Model 1 Complete Lower Receiver sets the standard for premium AR-15 components. While many manufacturers offer standard mil-spec lowers, Radian has elevated the platform with the A-DAC 15 design, providing true ambidextrous operation without sacrificing strength or reliability. The inclusion of the FBX trigger further enhances performance by delivering a smooth, predictable trigger pull that competitive and precision shooters highly value. The exclusive Radian Grey finish not only provides excellent corrosion resistance but also gives the lower a distinctive, high-end appearance that pairs perfectly with other Model 1 components. Whether you are building a precision rifle for competition, a duty-ready carbine, or a high-end custom build, the R0866 offers a rock-solid foundation that meets the demands of discerning shooters.
Technical Specifications
| Brand | Radian Weapons |
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| Model | Model 1 Complete Lower Receiver |
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| Part Number | R0866 |
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| Platform | AR-15 / A-DAC 15 |
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| Configuration | Rifle |
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| Trigger | FBX Flat Bow Trigger |
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| Finish | Radian Grey (Cerakote) |
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| Controls | Ambidextrous Safety, Magazine Release, Bolt Catch |
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| Material | Billet Aluminum |
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| Intended Use | AR-15 Rifle Builds, Competition, Tactical, Precision Shooting |
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| UPC | 810098421386 |
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Ideal Applications
The Radian Model 1 A-DAC 15 Complete Lower Receiver in Radian Grey is an outstanding choice for builders looking to create a high-performance AR-15 rifle. Its ambidextrous controls make it particularly well-suited for left-handed shooters or those who frequently switch between strong and support hand operation. Competitive shooters will appreciate the crisp FBX trigger and overall build quality, while tactical professionals and serious enthusiasts will value the durability and reliability of the A-DAC 15 platform. The distinctive Radian Grey finish provides both aesthetic appeal and functional corrosion resistance, making it suitable for a wide range of environments. Whether you are assembling a precision rifle for long-range competition, a versatile duty carbine, or a premium custom build, the R0866 delivers the performance, ergonomics, and quality expected from Radian Weapons.
Build your next premium AR-15 rifle with the Radian Model 1 Complete Lower Receiver. Featuring the A-DAC 15 ambidextrous platform, FBX trigger, and signature Radian Grey finish, the Model R0866 offers exceptional quality and performance. UPC 810098421386.
