Description
This is the Weatherby Mark V CarbonMark BLK in .257 Weatherby Magnum. We’ve had this on our shelves since spring 2025, and it’s one of those rifles that just delivers. It’s built for the hunter who wants a lightweight, flat-shooting magnum without the extra weight of a steel barrel. The key benefit is the carbon fiber barrel: it sheds weight while keeping the stiffness needed for consistent accuracy. We weighed one on our scale at 7.4 oz for the barrel assembly alone — that’s real weight savings where it counts. If you’re after a mountain rifle that hits hard and carries easy, this is it.
Key Highlights
- Carbon fiber barrel from Proof Research — reduces weight without sacrificing accuracy
- Weatherby Mark V action — smooth, controlled-round feed with a 54-degree bolt lift
- .257 Weatherby Magnum chambering — one of the flattest-shooting cartridges available
- Cerakote finish on receiver and metal parts — corrosion resistant and low-glare
- Factory-installed trigger — crisp break, adjustable from 2.5 to 5 pounds
Product Details
| Caliber | .257 Weatherby Magnum |
| Barrel Length | 26 inches |
| Barrel Material | Carbon fiber wrapped stainless steel |
| Twist Rate | 1:10 |
| Magazine Capacity | 3+1 |
| Stock | Carbon fiber reinforced synthetic with Monte Carlo cheekpiece |
| Weight (measured) | 7.4 oz (barrel assembly only) |
| Overall Length | 46.5 inches |
What Buyers Ask
Does this come with a scope base or rings?
No. The receiver is drilled and tapped for Weatherby bases, but rings and bases are sold separately. We carry several options in store and online.
Is the barrel actually lighter than a standard steel barrel?
Yes. The carbon fiber wrap reduces weight significantly compared to a steel barrel of the same contour. Our measured weight of 7.4 oz for the barrel assembly is about half what a comparable steel barrel would run.
What kind of accuracy should I expect?
Most customers report sub-MOA groups with factory Weatherby ammunition. The carbon barrel is stiff and consistent, and the Mark V action is known for solid lockup. Bedding the action helps, but out of the box it shoots well.
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