Description
Carbon fiber barrels have taken over the mountain hunting world for good reason, and the Mark V CarbonMark shows exactly why. Weatherby starts with a match-grade 416R stainless steel barrel and roll-wraps it in a carbon fiber sleeve loaded under tension. About 95 percent of that carbon never touches the steel, so air flows around the barrel and pulls heat off fast. You get bull-barrel stiffness and shot-after-shot consistency at a fraction of the weight, which matters a lot when the elk are two ridges over.
Why the CarbonMark in 6.5 WBY RPM Makes Sense
The 6.5 Weatherby RPM is a bit of a sleeper. It was designed around the slim six-lug Mark V action, so the whole rifle stays trim while the cartridge pushes high-BC 6.5mm bullets noticeably faster than a Creedmoor. Flat trajectory, manageable recoil, and plenty of authority for deer, antelope, and elk at real hunting distances. The 24 inch barrel wears a 1:8 twist to stabilize the long, heavy-for-caliber bullets this cartridge loves, and the factory Accubrake ST brings the total barrel length to 26 inches while knocking felt recoil down substantially. Prefer a can? The muzzle is threaded 5/8×24, so swapping to a suppressor is simple.
Details That Set This Mark V Apart
The trigger is a TriggerTech unit with a true zero-creep break and short overtravel, and it is externally adjustable, so you can dial it to your liking without pulling the barreled action. The hand-laid Monte Carlo fiberglass stock wears a gray and tan sponge pattern over black, and the metalwork is finished in Coyote Tan Cerakote with a Graphite Black bolt for weather resistance that shrugs off wet pack-outs. Capacity is 4+1 through a hinged floorplate, and length of pull sits at a comfortable 13.625 inches.
A Guarantee Behind the CarbonMark Name
Every Mark V ships with Weatherby's sub-MOA promise: a three-shot group of .99 inch or better at 100 yards from a cold barrel with Weatherby factory or premium ammo. This is a rifle you buy once and hunt with for decades.
Key Specifications
- Manufacturer: Weatherby
- Model: Mark V CarbonMark
- MPN: MCM01N65RWR6B
- UPC: 747115441884
- Caliber: 6.5 Weatherby RPM
- Action: Bolt Action
- Capacity: 4+1
- Barrel: 24 in carbon fiber wrapped 416R stainless (26 in with brake)
- Twist Rate: 1:8
- Muzzle Thread: 5/8×24, Accubrake ST included
- Trigger: TriggerTech, externally adjustable
- Overall Length: 46.25 in
- Length of Pull: 13.625 in
- Stock: Hand-laid Monte Carlo fiberglass, gray/tan sponge pattern
- Metal Finish: Coyote Tan Cerakote receiver, Graphite Black bolt
- Accuracy Guarantee: Sub-MOA (3 shots under .99 in at 100 yds)
What’s Included
- Weatherby Mark V CarbonMark rifle
- Accubrake ST muzzle brake (factory installed)
- Owner's manual
- Cable lock
Frequently Asked Questions
What is the 6.5 WBY RPM cartridge and how does it compare to 6.5 Creedmoor?
The 6.5 Weatherby RPM (Rebated Precision Magnum) was built specifically for the slim six-lug Mark V action. It launches the same high-BC 6.5mm bullets as the Creedmoor but a few hundred feet per second faster, giving you a flatter trajectory and more energy downrange. Think of it as Creedmoor-style shootability with genuine elk-capable punch, and recoil stays very manageable.
Is the 26 inch measurement the actual barrel length on this CarbonMark?
The barrel itself is 24 inches, and the factory-installed Accubrake ST adds roughly 2 inches for a 26 inch total. The muzzle is threaded 5/8×24, so you can remove the brake and run a suppressor if you prefer. The brake alone cuts felt recoil significantly, which makes range sessions a lot more pleasant.
Does the Weatherby Mark V CarbonMark come with a detachable magazine?
No, this rifle feeds from an internal magazine with a hinged floorplate, holding 4 rounds plus one in the chamber. It is a clean, snag-free setup that hunters have trusted on Mark V rifles for decades. There is no magazine to lose in the snow or rattle around in your pack.
Is the CarbonMark accurate enough for long range hunting?
Yes. Weatherby guarantees every Mark V will print a three-shot group of .99 inch or less at 100 yards from a cold barrel using Weatherby factory or premium ammo. The tension-wrapped carbon barrel also sheds heat quickly, so groups stay consistent through longer strings. Owners regularly report groups well under that guarantee once they find a load their rifle likes.





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