Radian Upper 18" 6MM ARC Gray

Radian Model 1 Upper Receiver Assembly

Radian Weapons has built a reputation on uncompromising quality, and this complete upper receiver exemplifies that commitment. Every component is selected for performance and durability, then assembled by hand with meticulous attention to detail.

Key Features

Barrel & Caliber

• 18" barrel chambered in 6MM ARC
• 1:7 twist rate optimized for modern 6MM ARC ammunition
• Rifle-length gas system for reliable cycling

Controls & Handling

• Radian Raptor-SD charging handle with ambidextrous design
• Fully ambidextrous controls for left and right-handed shooters
• Enhanced bolt carrier group for smooth operation

Handguard & Accessories

• 17" M-LOK handguard provides ample mounting space
• Dead Air KeyMo muzzle brake for sound reduction compatibility
• Cerakote gray finish for durability and aesthetics

Quality Assurance

Each upper is hand-assembled by a trained gunsmith who inspects, test fires, and cleans the weapon before it ships. This personal attention ensures every rifle meets Radian's exacting standards. The entire assembly is backed by a lifetime warranty—a testament to the quality of materials and craftsmanship.

The 6MM ARC Advantage

The 6MM ARC cartridge offers shooters a modern intermediate round with excellent ballistics, moderate recoil, and impressive accuracy potential. This upper gives you a complete, ready-to-mount solution for building a versatile rifle.