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Proof Research built its name on carbon fiber barrels that shoot lights-out while shaving serious weight, and this 300 PRC pre-fit is a prime example. It pairs a match-grade stainless steel core with an aerospace-grade carbon fiber wrap, giving you a 24-inch tube in the popular Sendero contour with a 1:9 twist that's dialed in for stabilizing the long, heavy .30-caliber bullets the 300 PRC was designed to launch. The muzzle comes threaded 5/8-24, so mounting a brake or suppressor is a straight-ahead job.
The headline here is weight. Proof's carbon fiber construction runs up to 64 percent lighter than a traditional steel barrel of the same contour, and this one comes in right around 2.9 pounds. That's a big deal on a Sendero profile, which is a heavier hunting and precision contour to begin with. The carbon wrap also dissipates heat better than bare steel, so your point of impact holds truer through longer strings and the barrel cools down quicker between them. On a magnum like the 300 PRC that runs warm, that's real-world useful.
This is a shouldered pre-fit, chambered and threaded to install without a trip to the gunsmith. You thread it onto your action, torque it down, verify headspace with proper go/no-go gauges, and you're range-ready. It's cut for Defiance Ruckus actions with the recessed bolt nose, which is the most common configuration, and it will also fit Tenacity and Anti-style actions running that same recessed bolt nose.
Bottom line, if you're building or rebarreling a long-action Defiance rig for elk country or long-range steel, this is a proven combination of low weight, cool running, and the accuracy Proof is known for.
It's cut as a shouldered pre-fit for the Defiance Ruckus action with the recessed bolt nose, which is the most common bolt nose option. It also fits Tenacity and Anti-style actions that use that same recessed bolt nose. It will not work with actions that have cone, flat, or control-round-feed bolts, so confirm your bolt nose before ordering.
No. Because it's a shouldered pre-fit, you thread it onto your action, torque it down, and check headspace with go/no-go gauges before shooting. A few basic tools like an action wrench, a barrel vise or wrench, and gauges get the job done at home.
Proof's carbon fiber runs up to 64 percent lighter than a comparable steel contour, so you get the stiffness and profile of a heavy Sendero barrel without hauling all that weight. The carbon wrap also sheds heat faster, which helps hold your point of impact through longer strings and cools the barrel quicker between them. For a warm-running magnum like the 300 PRC, that's a genuine advantage.
Yes. A 1:9 twist is the go-to rate for the 300 PRC and does a great job stabilizing the long, heavy, high-BC .30-caliber bullets the cartridge was built around. It's a solid match for both hunting loads and long-range target work.
| UPC | 843068123270 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 123270 |
| Length | 24'' |
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