Description
Weatherby built the Backcountry Guide series for hunters who count ounces and cover miles, and this 25 WBY RPM version might be the sweet spot of the whole lineup. The cartridge was designed around the trim six lug Mark V action, pushing high BC .25 caliber bullets fast enough to keep pace with the famous .257 Weatherby Magnum at longer ranges, but in a rifle that tips the scale around 5.6 pounds. That combination of speed, mild recoil, and light carry weight makes it a natural for mule deer, antelope, sheep country, and anywhere the truck is a long walk behind you.
What Sets the Mark V Backcountry Guide Apart
The 22 inch BSF barrel starts as a 416R stainless match blank, then gets sleeved in carbon fiber loaded under tension. That keeps the barrel stiff as it heats up and helps dampen vibration for consistent groups. The factory installed Accubrake ST adds another 2 inches up front and cuts felt recoil dramatically, and the 3DHex recoil pad soaks up whatever is left. The externally adjustable TriggerTech trigger breaks clean with zero creep, and the spiral fluted bolt runs a short 54 degree throw for quick follow ups and plenty of scope clearance. Weatherby backs it all with their sub MOA guarantee using factory or premium ammo.
Backcountry Guide Details That Matter on the Mountain
The Peak 44 Blacktooth stock is one of the lightest production carbon fiber stocks out there, finished here in black with olive green and backpack sponge accents. Spartan Precision gunsmithing adapters come factory installed, so ultralight bipods and accessories snap right on without extra hardware. The steel receiver, bolt, and safety wear Graphite Black Cerakote for real weather resistance, the receiver comes drilled and tapped for optics, and the 5/8-24 threaded muzzle means swapping the brake for a suppressor is simple. The shorter Guide barrel length was chosen specifically with suppressor users and thick timber in mind. This is a purpose built mountain rifle from a company that has been chasing velocity and accuracy since 1945, and it shows in every detail.
Key Specifications
- Manufacturer Part Number: MGS01N25RWR4B
- UPC: 747115463473
- Caliber: 25 WBY RPM
- Action: Bolt Action, Mark V 6-Lug Steel Receiver
- Capacity: 3+1
- Barrel Length: 22" (24" with Accubrake ST installed)
- Barrel: BSF Carbon Fiber Sleeved 416R Stainless, Threaded 5/8-24
- Twist Rate: 1:7.5
- Trigger: TriggerTech, Externally Adjustable
- Stock: Peak 44 Blacktooth Carbon Fiber, Black w/Olive Green & Backpack Accents
- Muzzle Device: Accubrake ST
- Recoil Pad: 3DHex
- Finish: Graphite Black Cerakote
- Safety: Two-Position
- Weight: Approx. 5.6 lbs
- Overall Length: 42"
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
How accurate is the Weatherby Mark V Backcountry Guide?
Weatherby guarantees every Mark V rifle will shoot a three shot group of .99 inches or less at 100 yards from a cold barrel when using Weatherby factory or premium ammunition. The tension loaded BSF carbon fiber barrel and zero creep TriggerTech trigger do a lot of the heavy lifting there. Independent testing of the Backcountry Guide platform has consistently backed up that sub MOA claim.
What is 25 WBY RPM good for, and how does it compare to .257 Weatherby Magnum?
The 25 WBY RPM was designed for the slimmer six lug Mark V action and modern high BC .25 caliber bullets, making it a great fit for deer, antelope, and similar sized game. At 300 yards and beyond it can hang with and even edge out the .257 Weatherby Magnum thanks to those sleeker bullets, all with less recoil and a lighter rifle. It is a genuinely efficient mountain cartridge rather than just a marketing exercise.
Can I run a suppressor on the Backcountry Guide?
Yes, that is a big part of why the Guide series exists. The barrel is threaded 5/8-24, and the shorter 22 inch length keeps overall length manageable once a can is attached. Just remove the Accubrake ST and thread your suppressor on in its place.
Does the Mark V Backcountry Guide come with scope mounts or a magazine?
The receiver comes drilled and tapped from the factory, but rings and bases are sold separately. This rifle feeds from an internal magazine holding 3 rounds plus one in the chamber, so there is no detachable box magazine to keep track of. The factory installed Spartan Precision adapters also let you attach compatible ultralight bipods without any gunsmithing.




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