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This is a Proof Research carbon fiber bolt-action barrel blank in .264 caliber (6.5mm), cut with a 1-8 twist and a 22 inch Sendero Light contour. It ships as a blank, meaning it arrives ready for your gunsmith to thread, chamber, crown, and fit to your action. That open-ended setup is the whole point of a blank: you get to pick the chambering that fits your build, whether that's 6.5 Creedmoor, 6.5 PRC, .260 Rem, 6.5×47 Lapua, 6.5×284, or another 6.5mm cartridge.
Proof starts every barrel from a full-profile 416R stainless steel blank that's drilled, rifled, and lead-lapped in house to tight bore tolerances. The steel is then turned down and wrapped with high-strength, aerospace-grade carbon fiber set in a proprietary resin. The result is a barrel that can run up to 64 percent lighter than a comparable steel contour while staying stiff and dissipating heat quickly. Cooler barrels hold their point of impact through longer strings and tend to last longer, which is a big deal whether you're running a match or burning through load development.
The 1-8 twist is a proven match for the heavier, high-BC 6.5mm bullets that make this caliber a long-range favorite, and the 22 inch length keeps things maneuverable without giving up much velocity. Sendero Light is the lightest of Proof's carbon contours, so it's a smart pick when every ounce counts, like a backcountry hunting rig or a build where you're chasing a low overall weight. A 22 inch Sendero Light in this caliber comes in right around 2 lbs 13 oz.
Because this is a blank, plan on a qualified gunsmith for the final work. The Sendero Light runs close to an M24 taper, so make sure your stock's barrel channel has enough room in the forend. Most varmint and tactical stocks handle it fine, though some may need light fitting. Once it's chambered and dialed in, this is the kind of barrel that shoots tight and cleans up easy.
It's a barrel blank, so it needs a gunsmith. The barrel must be chambered, threaded, crowned, and fit to your action by a qualified professional with the right tooling for carbon fiber-wrapped barrels. That extra step is what lets you spec the exact chambering and fit for your build.
The .264 (6.5mm) bore works with a wide range of 6.5mm cartridges, including 6.5 Creedmoor, 6.5 PRC, .260 Remington, 6.5×47 Lapua, 6.5×284, and .264 Win Mag. The 1-8 twist is well suited to the heavier high-BC bullets these cartridges are known for. Your gunsmith cuts the chamber to whichever cartridge you choose.
Proof's carbon fiber barrels can run up to 64 percent lighter than a comparable steel contour. This 22 inch Sendero Light lands right around 2 lbs 13 oz. The weight savings really show up on a rifle you carry all day, improving balance and cutting down front-end fatigue.
The Sendero Light measures close to a standard M24 taper, so you'll want a stock with enough material in the forend to clear it. Most varmint and tactical channels work, though some may need minor fitting. If you're unsure, compare your stock's barrel channel to the contour before your gunsmith starts the build.
| UPC | 843068105320 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 105320 |
| Length | 22'' |
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