The Radian Model 1 6mm ARC 14.5″ Threaded Barrel SBA3 Brace is a semi-automatic AR-pattern rifle built for precision and reliability. Chambered in 6mm ARC, this model features a 14.5-inch threaded barrel with a 5/8×24 NFA thread pattern, ready for suppressor use. The receivers and handguard wear a tough Cerakote black finish, while the extended aluminum handguard uses Magpul M-LOK for mounting accessories. Fully ambidextrous controls make it a natural fit for left- and right-handed shooters alike. The Radian Raptor-SD charging handle optimizes gas flow with a suppressor, and the ATC AR Gold Match trigger delivers a crisp, consistent pull.
| Manufacturer | Radian Weapons |
|---|---|
| Model | Model 1 |
| Material | Aluminum receivers and handguard, steel barrel (per manufacturer specs) |
| Compatibility | AR-15 lower receivers, 6mm ARC magazines |
| Finish | Cerakote black |
| Weight | Approximately 6.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- 6mm ARC Chambering — Why it matters: This cartridge delivers flat trajectories and high accuracy at extended ranges, making it ideal for hunting varmints or target shooting.
- Radian Raptor-SD Charging Handle — Why it matters: It redirects gas away from the shooter when using a suppressor, keeping the rifle cleaner and more comfortable.
- ATC AR Gold Match Trigger — Why it matters: A clean 3.5-pound break improves shot placement, especially for newer shooters learning to stage the trigger.
- Fully Ambidextrous Controls — Why it matters: Left-handed shooters can operate the safety, bolt release, and magazine release without changing their grip.
- SBA3 Brace — Why it matters: Adjustable length of pull and a built-in QD sling mount make this pistol brace easy to fit for different body sizes.
Who It’s For
This rifle suits families who want one platform for target practice and hunting. Beginners will appreciate the forgiving recoil of the 6mm ARC and the ambidextrous controls that help build good habits. Experienced shooters will value the suppressor-ready design and match-grade trigger for precision work.
Pros/Cons
- Pros: Suppressor-optimized charging handle, match-grade trigger, ambidextrous controls, Cerakote finish resists wear.
- Cons: Higher price point than many entry-level ARs; the 14.5-inch barrel requires a tax stamp or brace for legal rifle configuration.
Comparison
| Feature | Radian Model 1 | Geissele Super Duty | Zev Technologies OZ9 |
|---|---|---|---|
| Caliber | 6mm ARC | 5.56 NATO | 9mm |
| Barrel Length | 14.5″ | 14.5″ | 4.5″ |
| Trigger | ATC AR Gold Match | Geissele SSA-E | Zev adjustable |
| Charging Handle | Radian Raptor-SD | Geissele Airborne | Standard |
| Brace | SBA3 | SBA3 | None |
| Price | $3,249.95 | $1,899.00 | $1,499.00 |
Frequently Asked Questions
Is the Radian Model 1 legal to own in my state?
This rifle is classified as a pistol or “other” firearm depending on your state. Check your local laws regarding barrel length, braces, and NFA items. We recommend consulting a firearms attorney if you have questions.
Can I use standard AR-15 magazines with 6mm ARC?
Yes, but you need 6mm ARC-specific magazines or modify standard AR-15 magazines for reliable feeding. Radian recommends using 6mm ARC marked magazines for best performance.
Does the barrel come with a muzzle device?
The barrel is threaded 5/8×24 NFA and ships without a muzzle device, so you can add your own suppressor or brake. The Raptor-SD handle is designed to work with most suppressors.
What is the warranty on this rifle?
Radian Weapons offers a limited lifetime warranty on the Model 1 for the original owner. Contact Radian directly for warranty claims.
How accurate is the 6mm ARC compared to 5.56?
6mm ARC typically delivers sub-MOA accuracy with match ammunition, outperforming most 5.56 loads at 500+ yards. It’s a strong choice for precision shooting.
Buy with Confidence
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- ✓ Ships 1-2 business days
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Explore more AR Rifles and Complete Uppers in our online store. Last updated: April 2026.
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This Radian Model 1 6mm ARC 14.5″ Threaded Barrel SBA3 Brace is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Radian Model 1 6mm ARC 14.5″ Threaded Barrel SBA3 Brace?
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