Radian R0855 Model 1 6mm ARC Rifle 18" Barrel 20rd Black

The Radian R0855 Model 1 delivers precision shooting performance in the versatile 6mm ARC caliber, combining match-grade accuracy with tactical reliability. This rifle maximizes the ballistic potential of the 6mm ARC cartridge through an optimized 18-inch barrel length that balances velocity retention with maneuverability.

What Makes This Different

The Model 1 features Radian's precision-machined upper and lower receivers with enhanced rigidity compared to standard AR-15 platforms. The 18-inch barrel length represents the optimal balance for 6mm ARC performance, providing 95% of the velocity achieved by longer barrels while maintaining compact handling characteristics. Advanced gas system tuning ensures reliable cycling across various ammunition weights from 95-grain to 108-grain projectiles.

Key Features

• 6mm ARC chamber optimized for long-range precision and hunting applications
• 18-inch medium contour barrel with 1:7.5 twist rate for heavy bullet stabilization
• Radian enhanced bolt carrier group with improved reliability coatings
• Ambidextrous controls including safety selector and magazine release
• Free-float M-LOK handguard with full-length top rail
• 20-round magazine capacity with standard STANAG compatibility
• Type III hard coat anodized finish in matte black

Field performance testing demonstrates sub-MOA accuracy potential with quality match ammunition, making this rifle suitable for precision shooting competitions, hunting medium game at extended ranges, and tactical applications requiring accuracy beyond 300 yards. The 6mm ARC cartridge provides superior ballistic coefficient compared to traditional .223/5.56 loads while maintaining manageable recoil characteristics. Weather-resistant finishes and materials ensure consistent performance in adverse conditions.

Technical Specs

• Caliber: 6mm ARC
• Barrel Length: 18 inches
• Twist Rate: 1:7.5
• Overall Length: Approximately 36.5 inches
• Weight: Approximately 7.2 pounds (unloaded)
• Magazine Capacity: 20 rounds
• Gas System: Mid-length
• Handguard: M-LOK compatible free-float
• Finish: Type III Hard Coat Anodized Black
• Thread Pattern: 5/8x24 TPI

The Radian Model 1 in 6mm ARC represents a significant advancement in AR-platform precision, offering shooters access to superior long-range ballistics without requiring a larger frame rifle. Current production schedules and increasing demand for 6mm ARC platforms make immediate availability a key consideration for serious shooters.