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This is PROOF Research's Q Fix pre-fit in 308 Winchester, built around their signature carbon fiber wrapped barrel technology. The core starts as a match-grade 416R stainless steel blank that gets turned down and then wrapped in aerospace-grade carbon fiber. The result is a barrel that shaves serious weight off the front end of your Fix while holding tight accuracy and shedding heat faster than a traditional steel tube. This 20-inch configuration runs a 1:10 twist with 5-groove rifling and comes with a 5/8-24 threaded muzzle, and it tips the scale right around 2.6 pounds.
The whole point of a pre-fit is to make a barrel swap something you can handle at home. This one arrives already chambered with the barrel extension in place, which means it headspaces correctly on the Q Fix without custom fitting. If you've ever wanted to change calibers or go to a fresh barrel without shipping your rifle off, this is how it's done. Just keep in mind it's cut specifically for the Q Fix platform and won't drop into a Remington 700 or other short action.
The carbon wrap isn't just about trimming ounces, though it does plenty of that. Carbon fiber pulls heat out through the barrel wall more effectively, so the barrel cools quicker and holds its point of impact through longer strings of fire. For a precision 308 that might see a full day at the range or a hunt where every pound on your back matters, that combination of light weight and consistency earns its keep.
The 20-inch length is a sweet spot for 308 Win, giving you enough tube to get solid velocity out of common match loads like 168-grain match ammo while keeping the overall package handy. Owners running this exact barrel have reported half-MOA groups with quality factory match ammunition, which is about all you can ask from a precision rig.
This barrel is built specifically for the Q The Fix bolt-action platform. It is cut and chambered to headspace on the Fix action and will not fit a Remington 700 short action or other rifles. If you're running a Fix, this is a direct match.
Yes. The barrel arrives already chambered with the barrel extension included, which handles headspacing for you, so no specialized gunsmithing is required. Most owners can swap it at home with basic tools, making a caliber change or barrel refresh a straightforward job.
It is. The muzzle comes with 5/8-24 threads, which is the standard pitch for 30-caliber suppressors and muzzle devices. That gives you the option to run a can or brake right out of the box.
The carbon fiber wrap over a match-grade stainless core cuts weight significantly while keeping the barrel stiff and accurate. It also dissipates heat faster through the barrel wall, so the barrel cools quicker and holds its point of impact through longer strings of fire. For a lightweight precision or hunting setup, that blend of accuracy and reduced weight is hard to beat.
| UPC | 843068114520 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 114520 |
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