Pete Rickard115760477
PROOF Research BBL CF Blank Bolt .308 Sendero 26" 1:8 Twist Barrel$899.00
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Availability: In Stock
The PROOF Research BBL CF Blank Bolt in .308 Winchester is a precision rifle barrel built for shooters who demand accuracy at distance. This 26-inch Sendero-profile barrel features a 1:9 twist rate, a proven twist for stabilizing a wide range of .308 Win loads—from lighter target rounds to heavier hunting ammunition. Whether you're building a long-range hunting rifle, a precision bolt-action for the range, or a competition platform, this PROOF Research blank barrel gives you a quality foundation with the flexibility to finish it to your exact specifications.
PROOF Research carbon-fiber barrels are engineered for rigidity and heat dissipation. The 26-inch length strikes a balance between velocity, handling, and sight radius—a sweet spot for .308 Win shooters who want high ballistic performance without an unwieldy package. The Sendero contour provides a moderately heavy profile that resists deflection and harmonics over a standard sporter, making it a go-to choice for hunters and marksmen who value consistency shot after shot.
As a blank barrel, this is the raw component—no threading, no chamber work. You'll need a gunsmith to cut the muzzle threads, chambers, and headspace to your specifications, making it ideal if you already have a gunsmith relationship or plan to work with a builder familiar with PROOF Research barrels. Weighing 3 lbs 4 oz, it's substantial enough to manage recoil and group well, without excessive weight for field carry.
| Caliber | .308 Winchester |
| Barrel Length | 26 inches |
| Twist Rate | 1:9 |
| Breech Diameter | 2.5 inches |
| Shank Diameter | 1.20 inches |
| Contour | Sendero |
| Weight | 3 lbs 4 oz |
| Configuration | Blank bolt |
This is a blank barrel—it arrives unthreaded and unchamebered. You'll need a gunsmith to cut the muzzle threads, chamber the bore, and verify headspace before it's ready to use. Plan to work with a qualified gunsmith familiar with PROOF Research barrels and your specific bolt-action platform.
A 1:9 twist is a versatile rate for .308 Win and will reliably stabilize bullet weights across the common hunting and match range. Consult with your gunsmith and load data for your specific bullet choice to ensure optimal stability and accuracy.
The 2.5-inch breech and 1.20-inch shank diameter are standard dimensions for .308 Win bolt-action rifles. Confirm with your gunsmith that this barrel matches your specific action before beginning chambering work.
The Sendero profile balances stiffness and harmonic consistency with a weight that's manageable in the field. It resists deflection and group-shot variation better than a lighter sporter contour, making it popular with long-range hunters and precision shooters who value accuracy without extreme barrel bulk.
SKU: 115696548 • Weight: 3.76oz
Availability: In Stock
The PROOF Research BBL CF Blank Bolt in .308 Winchester is a precision rifle barrel built for shooters who demand accuracy at distance. This 26-inch Sendero-profile barrel features a 1:9 twist rate, a proven twist for stabilizing a wide range of .308 Win loads—from lighter target rounds to heavier hunting ammunition. Whether you're building a long-range hunting rifle, a precision bolt-action for the range, or a competition platform, this PROOF Research blank barrel gives you a quality foundation with the flexibility to finish it to your exact specifications.
PROOF Research carbon-fiber barrels are engineered for rigidity and heat dissipation. The 26-inch length strikes a balance between velocity, handling, and sight radius—a sweet spot for .308 Win shooters who want high ballistic performance without an unwieldy package. The Sendero contour provides a moderately heavy profile that resists deflection and harmonics over a standard sporter, making it a go-to choice for hunters and marksmen who value consistency shot after shot.
As a blank barrel, this is the raw component—no threading, no chamber work. You'll need a gunsmith to cut the muzzle threads, chambers, and headspace to your specifications, making it ideal if you already have a gunsmith relationship or plan to work with a builder familiar with PROOF Research barrels. Weighing 3 lbs 4 oz, it's substantial enough to manage recoil and group well, without excessive weight for field carry.
| Caliber | .308 Winchester |
| Barrel Length | 26 inches |
| Twist Rate | 1:9 |
| Breech Diameter | 2.5 inches |
| Shank Diameter | 1.20 inches |
| Contour | Sendero |
| Weight | 3 lbs 4 oz |
| Configuration | Blank bolt |
This is a blank barrel—it arrives unthreaded and unchamebered. You'll need a gunsmith to cut the muzzle threads, chamber the bore, and verify headspace before it's ready to use. Plan to work with a qualified gunsmith familiar with PROOF Research barrels and your specific bolt-action platform.
A 1:9 twist is a versatile rate for .308 Win and will reliably stabilize bullet weights across the common hunting and match range. Consult with your gunsmith and load data for your specific bullet choice to ensure optimal stability and accuracy.
The 2.5-inch breech and 1.20-inch shank diameter are standard dimensions for .308 Win bolt-action rifles. Confirm with your gunsmith that this barrel matches your specific action before beginning chambering work.
The Sendero profile balances stiffness and harmonic consistency with a weight that's manageable in the field. It resists deflection and group-shot variation better than a lighter sporter contour, making it popular with long-range hunters and precision shooters who value accuracy without extreme barrel bulk.
SKU: 115696548 • Weight: 3.76oz