The Proof Research Barrel Blank is a stainless steel .308-caliber (bore diameter) bolt-action barrel blank in the heavy M24 contour, supplied unchambered for a gunsmith to fit and chamber to your cartridge of choice (Proof Research part no. 113691).

Key Specifications

• .308-caliber bore diameter, unchambered blank
• 28-inch barrel length
• 1-in-9 rate of twist
• M24 contour
• 1.20-inch shank diameter
• Stainless steel construction
• Weighs approximately 6 lb 9 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 cartridge and action.

What is the M24 contour? It’s a heavy, military-derived barrel contour (based on the M24 Sniper Weapon System profile), which is why this blank weighs over 6.5 pounds.

Is this barrel carbon fiber or steel? This version is solid stainless steel, not carbon fiber-wrapped.

Buy the Proof Research Stainless Barrel Blank, .308 Caliber, 28-Inch M24 Contour

Order the Proof Research Stainless Barrel Blank, .308 Caliber, 28-Inch M24 Contour from a Lubbock, TX gun shop. Shop more Proof Research parts or browse the Rifle Barrels category at Schaefer Defense.