Radian Model 1 Upper 6mm ARC 18" Olive Drab

Radian Model 1 Upper Receiver Assembly

Radian Weapons has built a reputation on uncompromising quality, and this 6mm ARC upper receiver exemplifies that commitment. The design philosophy is straightforward: source the finest materials, employ precision CNC machining, and assemble with meticulous attention to detail.

Key Features

• Caliber & Barrel: 6mm ARC with 18" barrel and 1:7 twist rate for optimal bullet stability
• Gas System: Rifle-length gas tube for reliable cycling and reduced recoil impulse
• Handguard: 17" M-LOK rail system provides ample real estate for accessories and a comfortable grip
• Charging Handle: Radian Raptor-SD with full ambidextrous controls—equally functional for left and right-handed shooters
• Bolt Carrier Group: Radian Enhanced design for reliability and longevity
• Muzzle Device: Dead Air KeyMo brake for quick suppressor mounting and recoil management
• Finish: Durable Cerakote in Olive Drab Green

Craftsmanship & Quality

Every Radian upper is hand-assembled by a trained gunsmith who personally inspects, test-fires, and cleans the weapon before it leaves the shop. This isn't assembly-line production—it's gunsmithing. The result is a rifle upper that meets the most rigorous quality standards and comes with a lifetime guarantee.

Whether you're building a precision rifle, a modern sporting rifle, or a dedicated 6mm ARC platform, this upper delivers the performance and reliability serious shooters demand.