This Proof Research 7mm BC barrel (Proof Research part no. 145838) is a carbon-fiber-wrapped, bolt-action blank in a Sendero contour, sized to fit the Zermatt Origin action for a precision long-range build.

Key Specifications

• Brand: Proof Research.
• Caliber: 7mm BC (Backcountry).
• Barrel length: 20 inches.
• Rate of twist: 1:8.
• Muzzle thread: 5/8-24.
• Contour/model: Sendero, fits Zermatt Origin.
• Weight: 2 pounds, 10 ounces.
• Product type: carbon-fiber bolt-action barrel blank.

Frequently Asked Questions

Is this a complete rifle or a barrel only? This listing is a bare carbon-fiber-wrapped bolt-action barrel blank, not a complete rifle.

What muzzle thread does it use? 5/8-24, a common thread pattern for muzzle brakes and suppressor mounts in this caliber class.

Buy the Proof Research Carbon Fiber Barrel, 7mm BC, 20in, Sendero Contour, Origin

Get the Proof Research Carbon Fiber Barrel, 7mm BC, 20in, Sendero Contour, Origin from Proof Research, browsable in our full Rifle Parts selection. Our Lubbock, Texas team ships fast, insured orders every day.