Radian Weapons Model 1 6mm ARC 18" Rifle

The Radian Model 1 18" 6mm Arc Brown is a semi-automatic rifle engineered for shooters who demand precision and reliability in a compact, modern platform. Built on the AR-15 architecture, this rifle chambered in 6mm Arc combines the versatility of an established design with one of today's most efficient intermediate cartridges. The 18-inch barrel paired with Dead Air Flash Hider technology delivers controlled muzzle signature and superior flash reduction—critical for operators and enthusiasts prioritizing low-light performance and situational awareness.

The 6mm Arc cartridge sits at the intersection of efficiency and terminal performance, generating less recoil impulse than 5.56 NATO while maintaining effective downrange energy beyond 300 yards. The 18-inch barrel length optimizes velocity from this round while maintaining a profile suitable for tactical carbine work, vehicle deployment, and precision rifle training. Radian's Cerakote finish in brown provides corrosion resistance across varied climates—from humid coastal environments to arid ranges. At 11.44 pounds, the rifle maintains controllable mass for extended use without sacrificing stability during precision work.

This Model 1 configuration serves law enforcement qualification work, civilian marksmanship training, and duty applications where intermediate cartridge ballistics and ergonomic refinement matter. The included 20-round magazine establishes baseline capacity for target work and training scenarios. Radian Weapons, recognized for upper-receiver precision, brings that same attention to complete-rifle integration—tolerance stacking across the action, gas system, and trigger control directly translates to shot-to-shot consistency.

The 6mm Arc platform continues gaining adoption within professional and civilian shooting communities as evidence of its ballistic efficiency compounds. This Radian offering represents the AR-15 ecosystem's maturity—a proven platform refined through the precision-engineering lens of a manufacturer focused on tolerance and repeatability.