Description
Left-handed hunters know the frustration of settling for a right-hand bolt, and this rifle fixes that with zero compromises. The Weatherby Mark V BC Carbon in .240 Weatherby Magnum is a genuine southpaw build, from the mirrored Mark V action right down to the left-hand threaded muzzle. At roughly 5.9 pounds bare, it carries like a daypack instead of an anchor, which matters a whole lot more at mile eight than it does at the gun counter.
What Makes the Mark V BC Carbon So Light
The weight savings come from smart materials, not corner cutting. The 24 inch BSF carbon fiber barrel wraps a 416R stainless core in tensioned carbon that sheds heat and dampens vibration for consistent groups. The Peak 44 Blacktooth stock is one of the lightest production carbon fiber stocks you can buy, finished here with dark green and brown sponge accents over exposed carbon weave. Patriot Brown Cerakote on the receiver and trigger guard keeps the metalwork protected from weather and looking sharp season after season. Toss in the adjustable TriggerTech trigger, spiral fluted bolt, Accubrake ST, and the 3DHEX printed recoil pad, and you have a rifle that soaks up recoil while staying easy on the shoulder straps.
The .240 Weatherby Magnum Advantage
This chambering is a bit of a cult classic, and for good reason. It is the fastest commercial 6mm out there, pushing bullets several hundred feet per second beyond a .243 Win. That translates to a flat trajectory and serious authority on deer, pronghorn, and hogs at real hunting distances, with recoil that stays pleasant all day at the bench. The 1:10 twist handles the classic 80 to 100 grain hunting bullets that made this cartridge famous.
Ready for Glass and the Backcountry
The receiver comes drilled and tapped with no iron sights, so pick your favorite scope and get to load development. With a 5+1 capacity and Weatherby's sub-MOA accuracy standard behind it, this is a lightweight lefty rig built to make the shot count when it matters.
Key Specifications
- Manufacturer: Weatherby
- Model: Mark V Backcountry 2.0 Carbon (BC Carbon), Left Hand
- MPN: MCB20N240WL4B
- UPC: 747115450589
- Caliber: .240 Weatherby Magnum
- Action: Bolt Action, Left Hand Mark V
- Barrel: 24" BSF Carbon Fiber, Left-Hand Threaded 5/8×24
- Muzzle Device: Accubrake ST
- Twist Rate: 1:10
- Capacity: 5+1
- Stock: Peak 44 Blacktooth Carbon Fiber, Green/Brown Sponge Accents
- Receiver Finish: Patriot Brown Cerakote
- Trigger: Adjustable TriggerTech
- Recoil Pad: 3DHEX 3D-Printed
- Weight: 5.9 lbs
- Overall Length: 44.5"
- Sights: None, Drilled and Tapped for Optics
What’s Included
- Weatherby Mark V BC Carbon rifle
- Accubrake ST muzzle brake (factory installed)
- Owner's manual
- Factory box
Frequently Asked Questions
Is the Mark V BC Carbon a true left-hand rifle or just a left-side bolt?
It is a true left-hand build. The Mark V action is fully mirrored for lefties, with the bolt handle and ejection set up on the left side. Even the muzzle threading is left-handed at 5/8×24, so a brake or suppressor tightens against bullet rotation instead of loosening.
What is the .240 Weatherby Magnum good for?
It is the fastest commercial 6mm cartridge available, running several hundred fps faster than a .243 Win. That makes it a superb choice for deer, pronghorn, hogs, and similar-sized game in open country where flat trajectory pays off. Bullet weights top out around 100 grains, so most folks reserve it for medium game rather than elk or moose.
Does the Weatherby Mark V BC Carbon come with a scope or sights?
No, it ships without sights or optics. The receiver is drilled and tapped, so you just need bases or a rail and rings for your scope of choice. Given the flat-shooting nature of the .240 Wby Mag, a quality variable in the 3-15x range makes a natural pairing.
How accurate is this rifle out of the box?
Weatherby backs its Mark V rifles with a sub-MOA guarantee using premium factory ammunition. The BSF carbon fiber barrel design keeps most of the carbon off the steel core, which helps the barrel cool faster and dampens vibration for tighter, more repeatable groups. Between that and the adjustable TriggerTech trigger, it has everything needed to shoot well beyond typical hunting distances.




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