Description
There are lightweight rifles, and then there are rifles built from the ground up to disappear on your back. The Mark V Backcountry Guide Ti falls firmly in the second camp. Weatherby machined the legendary Mark V action out of titanium, which shaves serious weight without giving up the strength or the famously fast 54 degree bolt throw. Bolted to that action is a 22 inch fluted BSF carbon fiber barrel, built by sleeving a match grade 416R stainless blank in tensioned carbon fiber. The result is a barrel that stays stiff and keeps groups tight as it heats up, all while weighing a fraction of a comparable steel tube.
Why the Guide Ti Earns Its Spot in .243 Win
The .243 Winchester chambering makes this a sweet setup for deer, antelope, and predator work where recoil is already mild and every ounce matters. The updated 1:7.5 twist stabilizes the newer heavy-for-caliber bullets, so you can run modern high BC loads that older .243 barrels never could. Feeding comes from a 4+1 capacity, and the muzzle wears 5/8×24 threads with a machined titanium Accubrake ST installed from the factory. Pull the brake and spin on a suppressor, and the shorter 22 inch barrel keeps the whole package manageable in thick timber.
Built Around the Peak 44 Blacktooth Stock
The hand-painted Peak 44 Blacktooth carbon fiber stock is one of the lightest production stocks out there, and each one comes out of the paint booth looking a little different. Spartan Precision gunsmithing adapters come factory installed, so magnetic-attach bipods and tripods click on without adding hardware you have to carry. A 3DHEX recoil pad soaks up what little push the .243 generates, and the externally adjustable TriggerTech trigger breaks clean with zero creep. Add a drilled and tapped receiver ready for your optic, Graphite Black Cerakote protecting the metalwork, and Weatherby's sub-MOA accuracy guarantee, and you have a rifle that earns its keep ten miles from the truck.
Key Specifications
- Manufacturer: Weatherby
- Model: Mark V Backcountry Guide Ti
- MPN: MGT01N243NR4B
- UPC: 747115457564
- Caliber: .243 Winchester
- Action: Bolt Action, 54 Degree Bolt Throw
- Receiver Material: Titanium
- Barrel: 22" Fluted BSF Carbon Fiber
- Twist Rate: 1:7.5
- Muzzle Thread: 5/8×24
- Muzzle Device: Machined Titanium Accubrake ST
- Capacity: 4+1
- Stock: Peak 44 Blacktooth Carbon Fiber, Hand Painted
- Trigger: TriggerTech, Externally Adjustable
- Finish: Graphite Black Cerakote
- Sights: None, Drilled and Tapped Receiver
What’s Included
- Weatherby Mark V BC Guide Ti rifle
- Accubrake ST titanium muzzle brake (factory installed)
- Spartan Precision gunsmithing adapters (factory installed in stock)
- Owner's manual
Frequently Asked Questions
Does the Weatherby Mark V BC Guide Ti come with an accuracy guarantee?
Yes. Like all Mark V rifles, the Guide Ti is backed by Weatherby's sub-MOA guarantee, meaning a 3-shot group under an inch at 100 yards from a cold barrel. That guarantee applies when using Weatherby factory or premium ammunition, so feed it quality loads and it will hold up its end.
Can I run heavier .243 bullets through this rifle?
You can, and that's one of the best parts of this model. Weatherby updated the .243 Win twist rate to 1:7.5, which is fast enough to stabilize heavy, high BC bullets in the 100 grain and up range. That opens the door to modern long range loads that a traditional 1:10 twist .243 struggles with.
Is the BC Guide Ti suppressor ready?
It is. The 22 inch barrel is threaded 5/8×24 and ships with a machined titanium Accubrake ST installed. Remove the brake and most common .30 caliber and 6mm rated suppressors will thread right on, and the shorter Guide-length barrel keeps overall length reasonable with a can attached.
What are the Spartan Precision adapters in the stock for?
The Peak 44 Blacktooth stock comes with Spartan Precision gunsmithing adapters installed at the factory. These let you attach Spartan's magnetic quick-detach bipods and tripod adapters in seconds without adding rails or studs. It's a smart setup for a mountain rifle where you want support gear that stows in a pocket.



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