Radian Weapons Complete Upper 6mm ARC 14.5" Pinned Brown R0899 – Premium AR-15 Upper Receiver Assembly
The Radian Weapons Complete Upper R0899 (UPC 810098420914) is a premium, factory-assembled upper receiver built for shooters who demand top-tier performance and modern features. Chambered in the highly capable 6mm ARC cartridge, this complete upper features a 14.5-inch pinned barrel with a Dead Air KeyMo flash hider, bringing the overall length to a legal 16 inches. Finished in a durable Brown Cerakote, this upper combines exceptional accuracy, reliability, and tactical aesthetics in one ready-to-install package.
Radian Weapons has equipped this upper with some of the most sought-after components in the industry, including a 14-inch MLOK handguard, the Radian Raptor-SD charging handle, and a Radian Enhanced Bolt Carrier Group. Every part is carefully selected and assembled to deliver smooth operation, reduced recoil, and outstanding long-range performance. Whether you’re building a precision rifle, a suppressed tactical carbine, or a high-performance competition gun, the Radian Weapons 6mm ARC Complete Upper in Brown offers a turnkey solution with professional-grade components.
Key Features of the Radian Weapons 6mm ARC Complete Upper R0899
6mm ARC Chambering
Modern high-performance cartridge offering excellent long-range ballistics, flat trajectory, and reduced recoil compared to larger calibers.
14.5" Pinned Barrel (16" OAL)
14.5-inch barrel with pinned and welded Dead Air KeyMo flash hider for a legal 16-inch overall length.
1:7 Twist Rate
Optimized twist rate designed to stabilize a wide range of 6mm ARC bullet weights for maximum accuracy.
Dead Air KeyMo Flash Hider
Premium muzzle device that reduces flash and serves as a quick-detach suppressor mount for Dead Air silencers.
Radian Raptor-SD Charging Handle
Ambidextrous charging handle with suppressor-optimized design that reduces gas blowback to the shooter.
Radian Enhanced BCG
High-quality bolt carrier group with enhanced coatings for smoother cycling and increased durability.
Why Choose the Radian Weapons 6mm ARC Complete Upper in Brown?
The Radian Weapons R0899 stands out as a complete upper that combines cutting-edge components with a refined Brown Cerakote finish. The 6mm ARC cartridge has become a favorite among long-range shooters and hunters due to its impressive ballistics in a lightweight, low-recoil package. This upper allows shooters to take full advantage of the cartridge’s capabilities right out of the box.
The inclusion of the Dead Air KeyMo flash hider not only provides excellent muzzle flash reduction but also enables fast and secure attachment of compatible suppressors. The Radian Raptor-SD charging handle is specifically engineered to minimize gas blowback when shooting suppressed, while the Enhanced Bolt Carrier Group ensures reliable function and extended service life. The Brown Cerakote finish offers both corrosion resistance and a distinctive tactical appearance that pairs well with a variety of rifle builds.
Technical Specifications
| Specification | Details |
|---|
| Brand | Radian Weapons |
| Model Number | R0899 |
| UPC | 810098420914 |
| Caliber | 6mm ARC |
| Barrel Length | 14.5 inches (Pinned) |
| Overall Length | 16 inches |
| Twist Rate | 1:7 |
| Muzzle Device | Dead Air KeyMo Flash Hider |
| Gas System | Mid-Length |
| Handguard | 14" MLOK |
| Charging Handle | Radian Raptor-SD |
| Bolt Carrier Group | Radian Enhanced BCG |
| Finish | Cerakote Brown |
| Recommended Use | Long Range, Tactical, Suppressed Shooting, Competition |
Shop the Radian Weapons 6mm ARC Complete Upper R0899 Today!
The Radian Weapons Complete Upper 6mm ARC 14.5" Pinned Brown R0899 (UPC 810098420914) is a premium, ready-to-install upper receiver assembly featuring a 14.5-inch pinned barrel with Dead Air KeyMo flash hider, mid-length gas system, 14-inch MLOK handguard, Radian Raptor-SD charging handle, and Radian Enhanced Bolt Carrier Group. Finished in durable Brown Cerakote, this complete upper delivers exceptional accuracy, reliability, and modern features for the discerning shooter. Whether building a precision long-range rifle or a suppressed tactical carbine, the Radian Weapons 6mm ARC Complete Upper in Brown offers outstanding performance and craftsmanship.
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