Sons of Liberty Gun Works Precision SPR 18" 6MM ARC

Precision Engineering for the Serious Shooter

The Precision SPR barrel represents the pinnacle of accuracy-focused barrel design. Built from 416R stainless steel and finished in a durable oxide coating, this 18" barrel is purpose-built for shooters who demand match-grade performance.

Key Features

• Caliber & Twist: 6MM ARC with 1:8 twist rate for optimal bullet stability
• Barrel Length: 18" optimized for velocity and handling balance
• Threading: 5/8x24 muzzle threads for suppressor compatibility and accessory mounting
• Gas System: Mid-length configuration for reliable cycling and reduced recoil impulse
• Material: 416R stainless steel construction resists corrosion and maintains dimensional stability
• Finish: Black oxide for durability and low-glare aesthetics

Performance You Can Count On

These barrels have earned their reputation through consistent, repeatable accuracy. Field-proven across multiple precision rifle platforms, the SPR contour routinely delivers sub-half-MOA groups with quality ammunition. Whether you're building a precision gas gun for competition or serious hunting, this barrel provides the foundation for match-winning performance.

AR-15 Compatible

Drop-in design fits standard AR-15 platforms with mid-length gas tube systems. Professional installation recommended for optimal results.