Description
There is something special about a walnut-stocked Weatherby, and the 307 Adventure SD brings that classic look back without the classic price tag. This one is chambered in 7mm Backcountry, the new Federal cartridge built to squeeze magnum-level speed out of shorter barrels, which is exactly why the 20-inch fluted tube on this rifle makes so much sense. Screw a can on the 1/2×28 threads and you end up with a quiet, packable rig that still hits like a much longer rifle. Prefer to run it bare? The included Accubrake takes a serious bite out of felt recoil.
The 307 Action Behind the Adventure SD
The Model 307 is Weatherby's first new action in over 50 years, named after the Sheridan, Wyoming area code where these rifles are built. It is a two-lug, fully cylindrical design with a Remington 700 footprint, so scope bases, stocks, and plenty of aftermarket parts drop right in. The bolt strips down without tools for easy cleaning in camp, and an M16-style extractor keeps ejection positive in cold, dirty conditions. A crisp TriggerTech Field trigger comes standard and adjusts externally, no gunsmith required.
Walnut Done Right on the Adventure SD
The stock is where this rifle earns its keep on looks alone. Fancy grade walnut with a rosewood forend tip, matching grip cap, and a maple diamond inlay give it the vibe of the old Mark V rifles your dad or grandfather hunted with. The metalwork wears Graphite Black Cerakote, so the pretty wood is backed up by a finish that shrugs off weather and pack straps.
Accuracy You Can Count On
Weatherby backs every 307 with a sub-MOA guarantee: three shots under an inch at 100 yards from a cold barrel with quality factory ammo. The 1:8 twist stabilizes the long, heavy 7mm bullets that make the Backcountry cartridge shine at distance. Elk timber, open sage country, or a lazy afternoon punching paper, this rifle handles all of it and looks good doing it.
Key Specifications
- Manufacturer: Weatherby
- Model: Model 307 Adventure SD
- Manufacturer Part Number: 3WASD7MMBR2B
- UPC: 747115458257
- Action: Bolt Action (2-lug Model 307)
- Caliber: 7mm Backcountry
- Barrel Length: 20 inches, fluted
- Twist Rate: 1:8
- Muzzle Thread: 1/2×28, Accubrake included
- Trigger: TriggerTech Field, externally adjustable
- Magazine: Hinged floorplate
- Stock: Fancy walnut with rosewood forend, grip cap, and maple diamond inlay
- Metal Finish: Graphite Black Cerakote
- Safety: Two-position thumb safety
- Sights: None; drilled and tapped, Remington 700 base compatible
- Accuracy Guarantee: Sub-MOA (3 shots under .99" at 100 yards with quality factory ammo)
What’s Included
- Weatherby 307 Adventure SD rifle
- Accubrake muzzle brake (factory installed)
- Owner's manual
Frequently Asked Questions
Why does the 7mm Backcountry version of the 307 Adventure SD have a 20-inch barrel?
The 7mm Backcountry cartridge was designed from the ground up to reach high velocities from short barrels thanks to its high-pressure steel alloy case. That means you get magnum-class performance out of a 20-inch barrel, keeping the rifle compact and easy to carry, especially with a suppressor attached. It is one of the few short-barreled setups that gives up very little downrange.
Is the Weatherby 307 Adventure SD suppressor ready?
Yes. The barrel is threaded 1/2×28, and the included Accubrake spins off so you can mount a suppressor directly. The shorter 20-inch barrel keeps overall length manageable once a can is installed, which is a big part of the appeal of this chambering.
Does the 307 Adventure SD come with sights or a scope rail?
No sights or optic come installed on this model. The receiver is drilled and tapped and shares the Remington 700 footprint, so finding bases and rings is about as easy as it gets. Just pick your favorite 700-pattern mount and you are set.
How accurate is the Weatherby 307 Adventure SD?
Weatherby guarantees a three-shot group of .99 inch or less at 100 yards from a cold barrel when using Weatherby factory or premium ammunition. The 1:8 twist barrel is well suited to the heavy, high-BC bullets loaded in 7mm Backcountry, and the TriggerTech trigger makes it easy to shoot up to that guarantee.





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