About the Radian Model 1 Builder Kit
The Radian Model 1 Builder Kit gives you the matched billet upper, handguard and A-DAC 15 ambidextrous lower from the Model 1 rifle so you can finish the build your way.
Key Features
- A-DAC 15 billet ambidextrous lower receiver
- Matched billet 7075-T6 upper with dust cover, forward assist, anti-rotation pin
- 14″ M-LOK handguard with nitrided steel cross bolts
- Raptor-SD charging handle and Talon 45/90 safety
- Ambi bolt catch/release and mag release, enhanced takedown pins
- Barrel nut and wrench included; reaction rod needed (not included)
Specifications
| Brand | Radian Weapons |
|---|---|
| Model | Model 1 Builder Kit |
| Part Number | R0412 |
| Handguard | 14″ M-LOK |
| Caliber | Multi-caliber – add your barrel |
| Color | Radian Grey |
| Transfer | FFL required |
FAQ
What do I need to finish it?
A barrel, gas system, BCG, trigger group, buffer system and stock or brace. Use a .223/5.56 reaction rod when installing the barrel.
Does it need an FFL?
Yes, the kit includes the serialized lower and ships to your FFL.
Where can I buy the Radian Model 1 Builder Kit?
Black Bayou Armory in Benton, Louisiana stocks genuine Radian Weapons parts. Order online and we ship it to you, or ask our team if you have questions about fitment.






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