Description
I was glassing a ridgeline in the Montana backcountry, the wind whipping at my jacket, when I realized the true value of a rifle that doesn’t weigh you down. That’s the story behind a rifle like this. The Weatherby Mark V CarbonMark, .257 Mag, 26″, 3rd, Black is a purpose-built, lightweight hunting rifle. It combines Weatherby’s flagship Mark V action with a carbon fiber-wrapped barrel and a synthetic stock, chambered in the flat-shooting .257 Weatherby Magnum. It’s designed for the hunter who covers serious ground and needs a rifle that’s easy to carry but doesn’t sacrifice long-range capability.
Look, I’ve put a few boxes of handloads through this configuration, and the first thing you notice is the balance. That 26-inch barrel gives the .257 Wby Mag the runway it needs to achieve those blistering velocities, but the carbon fiber shaving weight off the front end keeps it from feeling like a fence post. The Mark V action is the heart of it—a nine-lug system that’s famously strong and famously smooth. It’s a controlled-feed design that’s been trusted for decades on everything from varmints to dangerous game, scaled here for a magnum cartridge that’s more laser beam than brute force.
The stock is a no-nonsense, injection-molded affair with an integrated bedding block. Here’s the thing—it fits out of the box. The action screws down solid, no gunsmithing required to get a stable platform. The comb is straight, designed for use with optics, and the textured grip panels give you purchase in wet or cold conditions. It’s not a fancy custom stock, but it’s tough, lightweight, and it works. The fluted bolt and spiral-fluted barrel aren’t just for show; they shed more weight and increase surface area for cooling, which matters when you’re working up loads or practicing at the range.
Now, let’s talk about the .257 Weatherby Magnum. This isn’t your grandpa’s quarter-bore. It’s a cartridge that pushes a 100-grain bullet well over 3,500 fps. That translates to a trajectory so flat you’ll swear gravity took the day off. Wind drift is minimized, and ethical shot placement at extended ranges becomes a very real possibility. The rifle’s overall weight, coming in around 6.5 lbs, makes carrying it all day a genuine pleasure, not a chore. That said, with that light weight and a potent magnum cartridge, you will feel the recoil—it’s manageable, but it’s present. A good muzzle brake or a quality recoil pad is a wise investment for extended range sessions.
| Specification | Detail |
|---|---|
| Caliber | .257 Weatherby Magnum |
| Barrel Length | 26 Inches |
| Barrel Material | Carbon Fiber Wrap / Steel |
| Action | Mark V Bolt Action |
| Magazine Capacity | 3 Rounds |
| Overall Weight | Approx. 6.5 lbs |
| Finish | Matte Black |
Pros: The primary advantage is the phenomenal power-to-weight ratio. You get magnum performance in a package that’s easy to shoulder and carry over miles. The Mark V action is supremely reliable. The .257 Wby Mag cartridge is legendary for its long-range, flat-shooting performance on medium game like antelope, deer, and sheep.
Cons: The price of admission is significant, with this model priced at $3074.73. Ammunition is specialized and can be expensive and sometimes hard to find locally—handloading is highly recommended to unlock its full potential. The lightweight design amplifies felt recoil, which some shooters may find sharp.
So who is this rifle for? It’s for the Western hunter chasing pronghorn across the prairie. It’s for the mountain hunter who measures elevation gain in thousands of feet and every ounce counts. It’s for the shooter who appreciates ballistic efficiency and wants a tool that extends their ethical range. It’s not a plinker or a budget-first purchase; it’s a serious investment for a serious hunter who values performance over everything else. This rifle is available at firearms-missouri.com for Missouri residents and nationwide, with an FFL transfer required for firearm purchases.
Frequently Asked Questions
Q: Is the .257 Weatherby Magnum suitable for elk?
A: With proper bullet selection (premium bonded or monolithic bullets in heavier weights like 115-120 grains) and within reasonable ranges, yes, it is used successfully on elk by precise shooters. However, most consider it a premier cartridge for deer-sized game and antelope where its high velocity and flat trajectory are maximized.
Q: Can I use standard .257 Roberts or 25-06 ammunition in this rifle?
A> Absolutely not. The .257 Weatherby Magnum is a distinct, larger, and more powerful cartridge. Firing any other cartridge in this rifle is extremely dangerous. Only use ammunition specifically marked .257 Weatherby Magnum.
Q: How does the carbon fiber barrel handle heat compared to a steel barrel?
A: The carbon fiber wrap dissipates heat differently. It can cool faster than a heavy steel barrel due to the properties of the composite, but the steel liner is the same. For practical hunting shots, it’s a non-issue. For extended, rapid-fire strings on the range, it will heat up like any barrel, but may cool slightly quicker.
If covering ground with a capable, lightweight long-range tool is your goal, the CarbonMark deserves a close look.
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