Rosco Manufacturing167514603
Rosco Mfg Pb-20-Spr-6Mm-7.5-R1 Purebred 6Mm Arc 20" Nickel Boron S/S Brl$243.00
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Availability: In Stock
Current Stock: Out of stock
The Rosco Manufacturing Purebred 6mm ARC barrel is a precision replacement barrel built for shooters who demand reliability and accuracy in a modern intermediate cartridge platform. This 14.50-inch nickel boron stainless steel barrel is engineered to handle the 6mm ARC round—a versatile cartridge that balances velocity, energy retention, and recoil management for hunting, precision rifle work, and range shooting. Whether you're upgrading an existing platform or building a dedicated 6mm ARC rifle, Rosco's attention to bore quality and finish makes this a solid choice for serious shooters.
The nickel boron coating on stainless steel delivers a combination most shooters want: corrosion resistance from the stainless substrate, reduced friction and heat buildup from the nickel boron surface, and easier cleaning than standard chrome-moly. The 14.50-inch length positions this barrel in the practical middle ground—short enough for handling and portable builds, long enough to extract good velocity from the 6mm ARC cartridge without unnecessary muzzle signature.
Rosco barrels are known in the community for consistent chamber tolerances and solid fit. Before installation, verify compatibility with your specific action and bolt face. This is a bare barrel component and does not include a gas block, handguard, or other assembly hardware—it's designed for builders who are customizing or replacing an existing barrel on a compatible platform.
| Barrel Length | 14.50 inches |
| Caliber/Chambering | 6mm ARC |
| Material | Stainless Steel |
| Finish | Nickel Boron |
| Manufacturer | Rosco Manufacturing |
This is a bare barrel component. Compatibility depends on your action, bolt face, and platform design. Before purchasing, confirm that your receiver, bolt, and magazine setup are chambered and designed for 6mm ARC. Contact Rosco or your gunsmith if you're uncertain about fitment.
This is a bare barrel only. It does not include a gas block, handguard, muzzle device, or assembly hardware. Installation requires appropriate tooling and knowledge; we recommend having a qualified gunsmith handle barrel installation to ensure proper headspace and timing.
Nickel boron reduces friction and heat during shooting, promotes easier cleaning, and resists corrosion—all without sacrificing durability. Combined with the stainless steel substrate, you get a finish that handles both heavy use and wet conditions well.
The 6mm ARC cartridge is suitable for hunting, and a 14.50-inch barrel will generate practical velocity for the round. Suitability depends on your game, distance, and local regulations. The Rosco barrel itself is built to handle the pressures and use consistent with the cartridge.
SKU: 167513778
Availability: In Stock
Current Stock: Out of stock
The Rosco Manufacturing Purebred 6mm ARC barrel is a precision replacement barrel built for shooters who demand reliability and accuracy in a modern intermediate cartridge platform. This 14.50-inch nickel boron stainless steel barrel is engineered to handle the 6mm ARC round—a versatile cartridge that balances velocity, energy retention, and recoil management for hunting, precision rifle work, and range shooting. Whether you're upgrading an existing platform or building a dedicated 6mm ARC rifle, Rosco's attention to bore quality and finish makes this a solid choice for serious shooters.
The nickel boron coating on stainless steel delivers a combination most shooters want: corrosion resistance from the stainless substrate, reduced friction and heat buildup from the nickel boron surface, and easier cleaning than standard chrome-moly. The 14.50-inch length positions this barrel in the practical middle ground—short enough for handling and portable builds, long enough to extract good velocity from the 6mm ARC cartridge without unnecessary muzzle signature.
Rosco barrels are known in the community for consistent chamber tolerances and solid fit. Before installation, verify compatibility with your specific action and bolt face. This is a bare barrel component and does not include a gas block, handguard, or other assembly hardware—it's designed for builders who are customizing or replacing an existing barrel on a compatible platform.
| Barrel Length | 14.50 inches |
| Caliber/Chambering | 6mm ARC |
| Material | Stainless Steel |
| Finish | Nickel Boron |
| Manufacturer | Rosco Manufacturing |
This is a bare barrel component. Compatibility depends on your action, bolt face, and platform design. Before purchasing, confirm that your receiver, bolt, and magazine setup are chambered and designed for 6mm ARC. Contact Rosco or your gunsmith if you're uncertain about fitment.
This is a bare barrel only. It does not include a gas block, handguard, muzzle device, or assembly hardware. Installation requires appropriate tooling and knowledge; we recommend having a qualified gunsmith handle barrel installation to ensure proper headspace and timing.
Nickel boron reduces friction and heat during shooting, promotes easier cleaning, and resists corrosion—all without sacrificing durability. Combined with the stainless steel substrate, you get a finish that handles both heavy use and wet conditions well.
The 6mm ARC cartridge is suitable for hunting, and a 14.50-inch barrel will generate practical velocity for the round. Suitability depends on your game, distance, and local regulations. The Rosco barrel itself is built to handle the pressures and use consistent with the cartridge.
SKU: 167513778