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Pete Rickard
The PROOF Research BBL CF Blank Bolt .308 Sendero 22" 1-8 Twist Barrel is a precision rifle barrel built for hunters and long-range shooters who demand accuracy and reliability. This carbon-fiber blank barrel is engineered to handle the .308 Winchester round with a 1-8 twist rate, making it suitable for a wide range of bullet weights and shooting scenarios—from medium-range hunting to precision target work. The 22-inch length strikes a practical balance between velocity and maneuverability, ideal for hunters navigating rough terrain or working from a vehicle setup.
Built with PROOF Research's reputation for match-grade quality, this Sendero-profile barrel combines a moderate taper that sheds weight without sacrificing rigidity or heat dissipation. The carbon-fiber construction keeps overall rifle weight down, a critical advantage for backcountry hunters and overlanders who need to carry their gear across varied distances. The blank bolt configuration means you'll need to thread and chamber this barrel yourself or have a gunsmith finish the work—giving builders complete control over their setup.
Whether you're building a custom long-range hunting rifle or a precision target shooter, this .308 barrel delivers the foundation serious shooters expect. The 1-8 twist handles modern, heavier match-grade ammunition while remaining stable with lighter hunting loads, giving you flexibility in your ammunition selection without requiring a custom twist rate compromise.
| Caliber | .308 Winchester |
| Barrel Length | 22 inches |
| Twist Rate | 1-8 |
| Barrel Breech | 2.5 |
| Shank Diameter | 1.20 inches |
| Contour | Sendero |
| Weight | 2 lbs 13 oz |
| Configuration | Blank bolt (requires threading and chambering) |
The 1-8 twist rate is stable across a wide range of .308 Winchester loads, from lighter hunting ammunition to modern, heavier match-grade rounds. This versatility makes it a practical choice whether you're using factory ammo or working with reloads.
Yes. This is a blank bolt barrel, meaning it requires professional threading and chambering to prepare it for installation on your rifle. Have a qualified gunsmith handle this work to ensure proper headspace and accuracy.
PROOF Research carbon-fiber barrels are field-proven and built to handle the demands of hunting and extended shooting. The Sendero profile maintains rigidity while the lighter weight makes the rifle easier to carry in the field.
The Sendero contour is designed to shed weight compared to heavier profiles while maintaining stiffness and heat dissipation characteristics. This makes it well-suited for hunting rifles where pack weight matters but accuracy cannot be compromised.
Pete Rickard
The PROOF Research BBL CF Blank Bolt .308 Sendero 22" 1-8 Twist Barrel is a precision rifle barrel built for hunters and long-range shooters who demand accuracy and reliability. This carbon-fiber blank barrel is engineered to handle the .308 Winchester round with a 1-8 twist rate, making it suitable for a wide range of bullet weights and shooting scenarios—from medium-range hunting to precision target work. The 22-inch length strikes a practical balance between velocity and maneuverability, ideal for hunters navigating rough terrain or working from a vehicle setup.
Built with PROOF Research's reputation for match-grade quality, this Sendero-profile barrel combines a moderate taper that sheds weight without sacrificing rigidity or heat dissipation. The carbon-fiber construction keeps overall rifle weight down, a critical advantage for backcountry hunters and overlanders who need to carry their gear across varied distances. The blank bolt configuration means you'll need to thread and chamber this barrel yourself or have a gunsmith finish the work—giving builders complete control over their setup.
Whether you're building a custom long-range hunting rifle or a precision target shooter, this .308 barrel delivers the foundation serious shooters expect. The 1-8 twist handles modern, heavier match-grade ammunition while remaining stable with lighter hunting loads, giving you flexibility in your ammunition selection without requiring a custom twist rate compromise.
| Caliber | .308 Winchester |
| Barrel Length | 22 inches |
| Twist Rate | 1-8 |
| Barrel Breech | 2.5 |
| Shank Diameter | 1.20 inches |
| Contour | Sendero |
| Weight | 2 lbs 13 oz |
| Configuration | Blank bolt (requires threading and chambering) |
The 1-8 twist rate is stable across a wide range of .308 Winchester loads, from lighter hunting ammunition to modern, heavier match-grade rounds. This versatility makes it a practical choice whether you're using factory ammo or working with reloads.
Yes. This is a blank bolt barrel, meaning it requires professional threading and chambering to prepare it for installation on your rifle. Have a qualified gunsmith handle this work to ensure proper headspace and accuracy.
PROOF Research carbon-fiber barrels are field-proven and built to handle the demands of hunting and extended shooting. The Sendero profile maintains rigidity while the lighter weight makes the rifle easier to carry in the field.
The Sendero contour is designed to shed weight compared to heavier profiles while maintaining stiffness and heat dissipation characteristics. This makes it well-suited for hunting rifles where pack weight matters but accuracy cannot be compromised.
