Proof Research115724737
Proof Research 264 Cal 24" Sendero Contour Carbon Fiber Wrapped Bolt Action Barrel Blank, 1:7.50" Twist, 4 Grooves$837.50
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Availability: In Stock
Current Stock: Out of stock
Building a custom rifle starts with a quality barrel—and if you're looking for a lightweight option that won't sacrifice rigidity, a Proof Research carbon fiber wrapped bolt action barrel blank is worth serious consideration. This 264 caliber, 22-inch Sendero contour blank combines the weight savings of carbon fiber wrapping with the proven accuracy of Proof's manufacturing standards. The 1:7.50" twist rate is suited to 264 ammunition, and the four-groove design delivers consistent bullet engagement. This is a blank, meaning you'll work with a gunsmith to chamber it, set headspace, and finish the muzzle to your specifications—perfect if you're building a custom rifle and want to start with a premium foundation.
Proof Research barrels are used by precision shooters and hunters who demand accuracy at distance. The carbon fiber wrap manages heat and reduces overall rifle weight compared to traditional steel barrels of the same contour, an advantage whether you're glassing ridges in September or shooting paper at the range. The Sendero contour provides a good balance of stiffness and weight for long-range and hunting applications. At 3 pounds, this blank gives your gunsmith room to work and the stability that matters in a precision build.
If you're a gunsmith or experienced builder working in 264 caliber, or if you're commissioning a custom rifle and want to spec the barrel yourself, this blank is a solid choice. Pair it with your choice of action, stock, and trigger, and you've got the foundation of a rifle tailored to your exact needs and preferences.
| Caliber | 264 |
| Barrel Length | 22" |
| Twist Rate | 1:7.50" |
| Contour | Sendero |
| Barrel Breech Diameter | 2.5" |
| Shank Diameter | 1.20" |
| Grooves | 4 |
| Weight | 3 lbs |
| Type | Bolt Action Barrel Blank (unchambered, unmuzzled) |
This is an unfinished blank—a gunsmith must chamber it to your specific cartridge, set headspace, and cut and crown the muzzle. It's not ready to install and shoot as-is. If you don't have gunsmithing experience, work with a qualified smith to complete the work.
We don't have the specific 264 cartridge variant in our product data. Work with your gunsmith to confirm which 264 cartridge (such as .264 Winchester Magnum or another variant) your finished barrel will be chambered for, so ammunition selection matches.
This blank is designed for bolt action rifles. The breech diameter and shank specifications will determine fit on a specific action. Your gunsmith will confirm compatibility with your chosen action and handle the fitting.
Carbon fiber wrapping reduces barrel weight compared to a traditional all-steel barrel of the same contour, which lowers overall rifle weight and can reduce felt recoil. It also manages heat effectively. The trade-off is cost—carbon barrels are more expensive than steel, but valued by hunters and precision shooters who prioritize weight savings without sacrificing accuracy or rigidity.
SKU: 115754656 • Width: 3.6in • Height: 3.2in • Depth: 25.3in • Weight: 3.87oz
Availability: In Stock
Current Stock: Out of stock
Building a custom rifle starts with a quality barrel—and if you're looking for a lightweight option that won't sacrifice rigidity, a Proof Research carbon fiber wrapped bolt action barrel blank is worth serious consideration. This 264 caliber, 22-inch Sendero contour blank combines the weight savings of carbon fiber wrapping with the proven accuracy of Proof's manufacturing standards. The 1:7.50" twist rate is suited to 264 ammunition, and the four-groove design delivers consistent bullet engagement. This is a blank, meaning you'll work with a gunsmith to chamber it, set headspace, and finish the muzzle to your specifications—perfect if you're building a custom rifle and want to start with a premium foundation.
Proof Research barrels are used by precision shooters and hunters who demand accuracy at distance. The carbon fiber wrap manages heat and reduces overall rifle weight compared to traditional steel barrels of the same contour, an advantage whether you're glassing ridges in September or shooting paper at the range. The Sendero contour provides a good balance of stiffness and weight for long-range and hunting applications. At 3 pounds, this blank gives your gunsmith room to work and the stability that matters in a precision build.
If you're a gunsmith or experienced builder working in 264 caliber, or if you're commissioning a custom rifle and want to spec the barrel yourself, this blank is a solid choice. Pair it with your choice of action, stock, and trigger, and you've got the foundation of a rifle tailored to your exact needs and preferences.
| Caliber | 264 |
| Barrel Length | 22" |
| Twist Rate | 1:7.50" |
| Contour | Sendero |
| Barrel Breech Diameter | 2.5" |
| Shank Diameter | 1.20" |
| Grooves | 4 |
| Weight | 3 lbs |
| Type | Bolt Action Barrel Blank (unchambered, unmuzzled) |
This is an unfinished blank—a gunsmith must chamber it to your specific cartridge, set headspace, and cut and crown the muzzle. It's not ready to install and shoot as-is. If you don't have gunsmithing experience, work with a qualified smith to complete the work.
We don't have the specific 264 cartridge variant in our product data. Work with your gunsmith to confirm which 264 cartridge (such as .264 Winchester Magnum or another variant) your finished barrel will be chambered for, so ammunition selection matches.
This blank is designed for bolt action rifles. The breech diameter and shank specifications will determine fit on a specific action. Your gunsmith will confirm compatibility with your chosen action and handle the fitting.
Carbon fiber wrapping reduces barrel weight compared to a traditional all-steel barrel of the same contour, which lowers overall rifle weight and can reduce felt recoil. It also manages heat effectively. The trade-off is cost—carbon barrels are more expensive than steel, but valued by hunters and precision shooters who prioritize weight savings without sacrificing accuracy or rigidity.
SKU: 115754656 • Width: 3.6in • Height: 3.2in • Depth: 25.3in • Weight: 3.87oz