The Proof Research Barrel Blank is a carbon fiber-wrapped .264-caliber (bore diameter) bolt-action barrel blank in the Sendero Light contour, supplied unchambered for a gunsmith to fit and chamber to your 6.5mm cartridge of choice (Proof Research part no. 121658).

Key Specifications

• .264-caliber bore diameter, unchambered blank
• 18-inch barrel length
• 1-in-7.5 rate of twist
• Sendero Light contour
• 2.5-inch barrel breech, 1.20-inch shank diameter
• Carbon fiber-wrapped construction
• Weighs approximately 2 lb 7 oz

Frequently Asked Questions

Is this barrel already chambered? No, it’s an unchambered blank sold by bore diameter; a gunsmith chambers and fits it to your specific 6.5mm cartridge and action.

What’s the barrel’s shank diameter? It’s 1.20 inches, with a 2.5-inch barrel breech dimension.

What contour is this blank? It’s Proof Research’s Sendero Light contour, a lighter-weight sporter/hunting profile.

Buy the Proof Research Carbon Fiber Barrel Blank, .264 Caliber, 18-Inch Sendero Light

Order the Proof Research Carbon Fiber Barrel Blank, .264 Caliber, 18-Inch Sendero Light from a Lubbock, TX gun shop. Shop more Proof Research parts or browse the Rifle Barrels category at Schaefer Defense.