Description
Left-hand rifles usually feel like an afterthought, but not this one. The Weatherby Mark V BC Ti Carbon in .243 Winchester is a true left-hand bolt action built on the titanium Mark V receiver, which carries roughly 42 percent of the weight of steel without giving up strength. Add the 22 inch BSF tensioned carbon fiber barrel and a Peak 44 Blacktooth stock, one of the lightest production carbon fiber stocks made, and you end up with a rifle in the neighborhood of 5.3 pounds before glass. That is the kind of weight you notice on day three of an elk country deer hunt, not at the counter.
Why the BC Ti Carbon Barrel Setup Matters
BSF builds these barrels by sleeving a 416R stainless match barrel in carbon fiber loaded under tension, so most of the carbon never touches the steel. The air gap lets heat escape faster and keeps the barrel stiff as it warms, which is a big reason Weatherby stands behind every Mark V with a sub-MOA guarantee: a three shot group of .99 inch or better at 100 yards from a cold barrel with Weatherby factory or premium ammo. The muzzle wears an Accubrake ST on 5/8×24 threads, and the receiver comes drilled and tapped so mounting a scope is straightforward.
Shooting the Mark V Ti Carbon in .243 Win
A .243 does not kick much to begin with, and between the brake and the 3D printed 3DHEX recoil pad, this one is downright pleasant. The TriggerTech trigger breaks clean with zero creep and adjusts externally, while the Mark V's short 54 degree bolt throw keeps your knuckles clear of the scope and follow-ups quick. Spiral fluting on the bolt trims weight and smooths cycling. For a lefty who wants a serious lightweight deer, antelope, or coyote rig without going the custom route, this checks every box.
Key Specifications
- Manufacturer Part Number: MCT20N243NL4B
- UPC: 747115450633
- Caliber: .243 Winchester
- Action: Bolt Action, Left Hand
- Barrel Length: 22" BSF Carbon Fiber (24" with Accubrake ST)
- Muzzle Thread: 5/8×24
- Capacity: 5 + 1
- Receiver: Titanium
- Barrel/Bolt Finish: Graphite Black Cerakote
- Stock: Peak 44 Blacktooth Carbon Fiber, Grey and White Sponge Accents
- Recoil Pad: 3DHEX (Second Generation)
- Trigger: TriggerTech, Externally Adjustable
- Overall Length: 44.5"
- Length of Pull: 13.5"
- Weight: 5.3 lbs
- Sights: None, Drilled and Tapped for Optics
What’s Included
- Weatherby Mark V BC Ti Carbon rifle
- Accubrake ST muzzle brake (factory installed)
- Owner's manual and documentation
Frequently Asked Questions
Is the Mark V BC Ti Carbon a true left-hand rifle or just a left-side bolt?
It is a genuine left-hand configuration built on Weatherby's Mark V action, with the bolt handle and ejection on the correct side for lefties. That means smooth cycling from the shoulder without reaching over the receiver, something left-handed hunters rarely get in a rifle this light.
Can I run a suppressor on this Weatherby Ti Carbon?
Yes. The barrel is threaded 5/8×24, so once you remove the included Accubrake ST you can spin on most common suppressors or other muzzle devices. Just keep in mind the brake itself does a lot of work taming what little recoil the .243 produces.
What kind of accuracy can I expect from the Mark V BC Ti Carbon in .243 Win?
Weatherby guarantees every Mark V will shoot a three shot group of .99 inch or less at 100 yards from a cold barrel using Weatherby factory or premium ammunition, valid for two years from the verified purchase date for the original owner. The tensioned BSF carbon barrel stays rigid as it heats, which helps groups hold together during longer strings.
How does a 5.3 pound rifle handle recoil?
Between the mild-mannered .243 Winchester cartridge, the ported Accubrake ST, and the 3D printed 3DHEX recoil pad that compresses progressively during recoil, this rifle is very comfortable to shoot. New or recoil-sensitive hunters will have no trouble staying on target for follow-up shots.



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