Rosco Manufacturing 6mm ARC Purebred SPR Barrel - 14.5”

The Rosco Manufacturing 14.5” 6mm ARC Purebred SPR Barrel is engineered to maximize the performance of the 6mm ARC cartridge. Designed with an SPR (Special Purpose Rifle) contour, it strikes an optimal balance between weight and precision, making it ideal for both cold bore shots and sustained target engagement. The gas ports are meticulously sized to accommodate the most popular precision bullet weights and suppressor use, ensuring reliable performance.

The "Purebred" series from Rosco Manufacturing embodies precision and quality, combining years of experience in barrel manufacturing for various OEMs. Each barrel is crafted in Rosco’s Rhode Island facility, starting from a blank piece of 416R stainless steel, and is rigorously tested to meet the high-quality standards.

Features:

• 14.5″ barrel length
• 32.3 oz. weight
• 416R stainless steel construction
• Chambered in 6mm ARC
• SPR barrel profile
• 1/7.5 twist rate
• 5/8 x 24 barrel thread
• 0.750 gas block
• Intermediate gas length
• Step Crown
• 80 Grit Bead Blast finish
• Nickel Boron extension finish

Rosco Manufacturing produces its own barrel blanks and barrel extensions, maintaining strict quality control to ensure consistent performance under demanding conditions. The company's commitment to excellence is reflected in every aspect of the barrel’s design and manufacturing.