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This Proof Research barrel blank pairs a full-profile 416R stainless steel core with a proprietary helical-wrapped carbon fiber shell, giving you a lightweight platform that doesn't compromise on the fundamentals that make barrels accurate. At 2 pounds 14 ounces, you're looking at serious weight savings compared to a traditional steel Sendero contour while maintaining the stiffness and rigidity necessary for precision shooting.
The Sendero contour sits right in the sweet spot for field rifles. It's not as light as a Sendero Light and not as heavy as a bull profile—it's designed for shooters who want more mass than a sporter profile can offer without carrying unnecessary weight into rough terrain. That extra stiffness translates to better harmonic consistency shot-to-shot, which matters whether you're testing loads at the bench or hunting across varying distances.
Carbon fiber isn't just about weight. The aerospace-grade composite wrapping actively dissipates heat along and through the barrel wall, meaning these barrels cool faster between groups and maintain better point-of-impact consistency during extended shooting sessions. Single-point cut rifling combined with lead lapping ensures bore geometry stays consistent from chamber to muzzle, which is the foundation of any accurate barrel.
This comes as a barrel blank ready for your gunsmith to thread and chamber to your specifications. That flexibility matters—whether you're building around a specific action, running a wildcat cartridge, or just want absolute control over your final setup. The 1:8 twist handles the full range of typical .224 loads, from 55-grain varmint rounds up through heavier match and hunting bullets. Proof Research barrels are built in-house using 416R stainless steel that's been double stress-relieved, giving you the durability and consistency the centerfire precision game demands.
No, this ships as an unthreaded, unchambered blank ready for your gunsmith to finish. Your gunsmith will thread the muzzle and chamber it to your specifications, giving you complete flexibility to build the exact rifle you want. This barrel will accept standard .224 chambers including .22-250 Rem, .223 Rem, .220 Swift, and .224 Valkyrie.
A 1:8 twist is fast enough to stabilize the full range of typical .224 loads. That includes lighter 40-55 grain varmint bullets up through heavier 60-75 grain match and hunting rounds. If you're planning to shoot a specific bullet, you can run the weight and length through a twist rate calculator to confirm it'll stabilize properly in your build.
Proof Research's carbon fiber construction delivers up to 64 percent weight savings compared to a traditional steel Sendero contour barrel. This particular barrel weighs 2 pounds 14 ounces—significant savings that compound across your entire rifle build, especially if you're doing a lightweight hunting setup.
The aerospace-grade carbon fiber wrapping dissipates heat faster along and through the barrel wall, helping these barrels cool quicker between groups and maintain more consistent bore temperature during extended shooting sessions. Combined with single-point cut rifling and lead lapping for uniform bore geometry, you get the same match-grade accuracy as traditional steel barrels without the weight penalty.
| UPC | 843068103449 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 103449 |
| Length | 20'' |
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