Product Description
Upgrade your Sig Sauer Cross with the PROOF RESEARCH pre-fit, drop-in bolt-action barrel engineered for 6mm Creedmoor performance. Built from stainless steel for excellent wear and corrosion resistance, this 20-inch barrel features 5-groove rifling with a fast 1:7.5 twist to help stabilize modern 6mm projectiles for precise, consistent accuracy. A precision-machined 5/8″-24 threaded muzzle is ready for brakes, flash hiders, or direct-thread suppressor mounts. PROOF’s drop-in design is intended to deliver a stand-alone, headspaced solution that can be installed at home without a gunsmith.
Product Highlights
- Pre-fit, drop-in barrel design for the Sig Sauer Cross platform
- 20″ stainless steel construction for durability, corrosion resistance, and long service life
- Fast 1:7.5 twist rate with 5-groove rifling to support a wide range of 6mm Creedmoor loads
- 5/8″-24 TPI threaded muzzle accepts common muzzle devices and direct-thread suppressor mounts
- Competition contour profile for performance-focused handling and accuracy potential
Specs
- Brand: PROOF RESEARCH
- Manufacturer Part Number: 134573
- UPC: 843068134573
- Caliber: 6mm Creedmoor
- Barrel Length: 20 in
- Twist Rate: 1:7.50
- Rifling: 5-groove
- Muzzle Thread: 5/8″-24 TPI
- Material: Stainless steel
- Barrel Type: Pre-fit / drop-in bolt-action barrel
- Compatibility: Sig Sauer Cross
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