The Proof Research Barrel Blank is a carbon fiber-wrapped .308-caliber (bore diameter) bolt-action barrel blank in the Sendero contour, supplied unchambered for a gunsmith to fit and chamber to your cartridge of choice (Proof Research part no. 107850).

Key Specifications

• .308-caliber bore diameter, unchambered blank
• 22-inch barrel length
• 1-in-9 rate of twist
• Sendero contour
• Carbon fiber-wrapped construction
• Accessory-Barrels product type
• Package dimensions approximately 3.0in x 3.5in
• Shipping weight approximately 3.85 lb

Frequently Asked Questions

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

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

What’s the twist rate? It has a 1-in-9 rate of twist.

Buy the Proof Research Carbon Fiber Barrel Blank, .308 Caliber, 22-Inch Sendero

Order the Proof Research Carbon Fiber Barrel Blank, .308 Caliber, 22-Inch Sendero from a Lubbock, TX gun shop. Shop more Proof Research parts or browse the Rifle Barrels category at Schaefer Defense.