Pete Rickard115783149
PROOF Research .264 Caliber Carbon Fiber Barrel Blank, 20" Length, 1:7.5 Twist, Light Sendero Contour$899.00
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Availability: In Stock
The PROOF Research .257 caliber carbon fiber barrel blank in Sendero contour is a premium build component for gunsmiths and serious precision shooters ready to assemble a custom rifle. At 26 inches with a 1:7.5 twist rate, this barrel is engineered for the .257 cartridge family and suits hunters and long-range shooters who demand accuracy and the weight savings that carbon fiber construction delivers. Built on PROOF's reputation for match-grade barrel quality, this blank gives you the foundation to create a rifle tailored to your exact specifications and ergonomic needs.
Carbon fiber construction cuts weight compared to traditional steel while maintaining rigidity and thermal stability—critical for consistent precision shots from field positions or the bench. The Sendero contour profile balances a manageable profile with enough mass for harmonics and durability. This is a bare blank, so you'll work with a qualified gunsmith to chamber, headspace, and thread it to your action and muzzle device preferences. The 2.5-inch breech diameter and 1.20-inch shank diameter are standard for modern hunting and precision rifle builds.
Whether you're building a .257 Roberts, .257 Weatherby Magnum, or another cartridge in that family, this barrel blank offers the ballistic potential and lightweight advantage serious shooters and hunters expect from a PROOF Research product. Your gunsmith will handle final fit and finishing; you get a precision blank ready for a custom build.
| Caliber | .257 |
| Barrel Length | 26" |
| Twist Rate | 1:7.5 |
| Breech Diameter | 2.5" |
| Shank Diameter | 1.20" |
| Contour | Sendero |
| Weight | 3 lbs 4 oz |
| Construction | Carbon Fiber |
This is a bare blank and requires professional gunsmith services to complete. Your gunsmith will chamber it to your chosen cartridge, headspace it to your action, cut threads for your muzzle device, and finish the breech as needed. Do not attempt to use this barrel without proper professional fitting and machining.
The 1:7.5 twist rate is designed for standard .257 cartridges such as the .257 Roberts and .257 Weatherby Magnum. Confirm with your gunsmith that your specific cartridge choice is compatible with this twist rate and barrel design.
Yes. Carbon fiber construction delivers substantial weight savings over traditional steel barrels of the same contour and length, making this an excellent choice if you're building a lightweight hunting or field rifle. Your gunsmith can discuss the final weight of your completed rifle based on your action and stock choice.
The 1.20-inch shank diameter is standard for most modern bolt-action hunting and precision rifle actions. Consult your gunsmith or action manufacturer to confirm compatibility with your specific build.
SKU: 115723499 • Weight: 3.76oz
Availability: In Stock
The PROOF Research .257 caliber carbon fiber barrel blank in Sendero contour is a premium build component for gunsmiths and serious precision shooters ready to assemble a custom rifle. At 26 inches with a 1:7.5 twist rate, this barrel is engineered for the .257 cartridge family and suits hunters and long-range shooters who demand accuracy and the weight savings that carbon fiber construction delivers. Built on PROOF's reputation for match-grade barrel quality, this blank gives you the foundation to create a rifle tailored to your exact specifications and ergonomic needs.
Carbon fiber construction cuts weight compared to traditional steel while maintaining rigidity and thermal stability—critical for consistent precision shots from field positions or the bench. The Sendero contour profile balances a manageable profile with enough mass for harmonics and durability. This is a bare blank, so you'll work with a qualified gunsmith to chamber, headspace, and thread it to your action and muzzle device preferences. The 2.5-inch breech diameter and 1.20-inch shank diameter are standard for modern hunting and precision rifle builds.
Whether you're building a .257 Roberts, .257 Weatherby Magnum, or another cartridge in that family, this barrel blank offers the ballistic potential and lightweight advantage serious shooters and hunters expect from a PROOF Research product. Your gunsmith will handle final fit and finishing; you get a precision blank ready for a custom build.
| Caliber | .257 |
| Barrel Length | 26" |
| Twist Rate | 1:7.5 |
| Breech Diameter | 2.5" |
| Shank Diameter | 1.20" |
| Contour | Sendero |
| Weight | 3 lbs 4 oz |
| Construction | Carbon Fiber |
This is a bare blank and requires professional gunsmith services to complete. Your gunsmith will chamber it to your chosen cartridge, headspace it to your action, cut threads for your muzzle device, and finish the breech as needed. Do not attempt to use this barrel without proper professional fitting and machining.
The 1:7.5 twist rate is designed for standard .257 cartridges such as the .257 Roberts and .257 Weatherby Magnum. Confirm with your gunsmith that your specific cartridge choice is compatible with this twist rate and barrel design.
Yes. Carbon fiber construction delivers substantial weight savings over traditional steel barrels of the same contour and length, making this an excellent choice if you're building a lightweight hunting or field rifle. Your gunsmith can discuss the final weight of your completed rifle based on your action and stock choice.
The 1.20-inch shank diameter is standard for most modern bolt-action hunting and precision rifle actions. Consult your gunsmith or action manufacturer to confirm compatibility with your specific build.
SKU: 115723499 • Weight: 3.76oz