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This is a Proof Research bolt-action carbon fiber barrel blank chambered around the .224 bore, cut with a 1-8 twist and finished in the popular Sendero contour at 22 inches. It arrives as a blank ready for your gunsmith to chamber, thread, crown and headspace, which makes it a strong foundation for anything running .224-diameter projectiles like .22-250, .223 Rem, or .220 Swift. The 1-8 twist is the sweet spot for stabilizing heavier, higher-BC .22 caliber bullets, so if you're planning to run long-for-caliber match or hunting projectiles, this rate has you covered.
Proof starts with a full-profile match-grade 416R stainless steel blank, single-point cut rifles it, then turns the contour way down and wraps it in high-strength aerospace-grade carbon fiber set in a proprietary resin. The result is a barrel that stays lighter than a comparable steel contour while keeping the external stiffness and harmonic behavior you want for consistent groups. The steel core still handles the chamber, threads and muzzle, so your smith is working with a proven surface.
One of the real advantages of the carbon wrap is how it moves heat. The fibers pull heat along the length and through the wall of the barrel, so it cools faster and holds its zero better through longer strings of fire. For prairie dog towns, varmint work, or a long day at the range, that translates to fewer wandering shots as the barrel warms up.
Because this ships as a blank, plan on handing it to a qualified gunsmith who has experience machining carbon fiber-wrapped barrels. Final chambering, threading, crowning and installation all need the right tooling. Once it's fitted to your action, you've got a lightweight setup that carries easy in the field and delivers the accuracy Proof has built its name on.
No, this is a bolt-action barrel blank. It ships ready for your gunsmith to chamber, thread, crown and headspace to your specific action. Plan on having a qualified smith with carbon fiber barrel experience finish the work before it's range ready.
The .224 bore is suited to cartridges that use a .224-diameter bullet, such as .22-250 Rem, .223 Rem, and .220 Swift. Since it arrives as a blank, your gunsmith cuts the exact chamber you want. If you're eyeing a wildcat, talk with your smith first about dimensions and pressure specs.
A 1-8 twist is on the faster side for a .22 caliber, which lets it stabilize heavier, longer, higher-BC bullets. That makes it a good match for shooters running match or hunting projectiles that need more spin to fly true at distance. Lighter varmint bullets still shoot fine, but the fast twist really pays off with the heavies.
Proof's carbon fiber wrap can run up to 64 percent lighter than a traditional steel barrel of similar contour. This particular 22-inch Sendero comes in around 3 pounds 2 ounces. That weight savings up front makes for a rifle that carries easier and balances better on long days.
| UPC | 843068103494 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 103494 |
| Length | 22'' |
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