Description
Left-handed hunters get overlooked a lot in the lightweight mountain rifle world, which is exactly what makes this one worth a hard look. The Weatherby Mark V Backcountry Guide in .243 Winchester is a genuine left-hand action, not a right-hand bolt with a flipped stock, built around a 22 inch BSF carbon fiber barrel and Peak 44's Blacktooth carbon fiber stock. That stock is one of the lightest production stocks out there, dressed up with exposed carbon fiber and olive green and tan sponge pattern accents, and it comes with Spartan Precision gunsmithing adapters installed from the factory so you can snap on Spartan's magnetic bipods and tripod accessories without any extra work.
Why the Backcountry Guide Earns Its Spot in the Truck
The Guide series runs shorter barrels than most of the Mark V lineup on purpose. At 22 inches, this .243 stays quick handling in timber and keeps overall length reasonable when you spin a suppressor onto the 5/8×24 threads. Weatherby ships it with an Accubrake ST up front and a 3DHex recoil pad in back, which is admittedly overkill on a .243, but it makes an already soft cartridge feel like nothing at all. The adjustable TriggerTech trigger breaks clean, the Mark V's short 54 degree bolt lift gives you extra clearance under big scope bells, and the whole thing wears Graphite Black Cerakote for weather resistance.
A .243 Win Built for Modern Bullets
Here is a detail that matters more than people realize: Weatherby cuts this barrel with a fast 1:7.5 twist instead of the traditional 1:10 most .243s carry. That means it will stabilize the long, heavy-for-caliber bullets and copper monolithics that older twist rates choke on, opening the door to everything from long range coyote work to clean performance on deer and antelope. The receiver comes drilled and tapped with no sights, it feeds from a 4+1 internal magazine with a hinged floorplate, and it carries Weatherby's sub-MOA accuracy guarantee with premium factory ammo. For a southpaw who wants one light, accurate do-it-all rifle in a mild cartridge, this checks every box.
Key Specifications
- Manufacturer: Weatherby
- Manufacturer Part Number: MGS01N243NL4B
- UPC: 747115457373
- Caliber: .243 Winchester
- Action: Bolt Action, Left Hand
- Barrel: 22" BSF Carbon Fiber
- Twist Rate: 1:7.5
- Muzzle Thread: 5/8×24 with Accubrake ST
- Capacity: 4+1
- Stock: Peak 44 Blacktooth carbon fiber, green and tan sponge accents
- Metal Finish: Graphite Black Cerakote
- Trigger: Adjustable TriggerTech
- Sights: None, drilled and tapped for optics
- Overall Length: 48.25"
- Recoil Pad: 3DHex
What’s Included
- Weatherby Mark V Backcountry Guide rifle
- Factory-installed Accubrake ST muzzle brake
- Factory-installed Spartan Precision gunsmithing adapters
- Owner's manual
Frequently Asked Questions
Can I run a suppressor on the Mark V Backcountry Guide?
Yes. The muzzle is threaded 5/8×24 and comes with an Accubrake ST installed, so you can swap the brake for a can whenever you like. The shorter 22 inch barrel was chosen specifically to keep overall length manageable with a suppressor attached.
Will the 1:7.5 twist handle heavier .243 bullets?
That is the whole point of it. Weatherby moved the .243 Win from the traditional 1:10 twist to 1:7.5, which stabilizes long, heavy-for-caliber bullets and copper monolithic loads that slower twists struggle with. It still shoots lighter varmint bullets fine, so you get flexibility across the full range of .243 ammo.
Is this a true left-hand rifle or just a left-side stock?
It is a genuine left-hand Mark V action with the bolt handle and ejection port set up for southpaw operation. Left-handed hunters get real bolt manipulation from the shoulder instead of reaching over the top of the receiver.
Does the Backcountry Guide come with a scope rail or sights?
No, it ships without sights. The receiver comes drilled and tapped from the factory, so you just need bases or a rail and rings for your optic. The Mark V's low 54 degree bolt lift also gives you good clearance for larger scope eyepieces.





Reviews
There are no reviews yet.