Description
There's something about a walnut stock on a working hunting rifle that never goes out of style, and the 307 Adventure SD leans into that hard. The fancy walnut furniture gets a rosewood forend and grip cap with a maple diamond inlay, the kind of detail you expect on rifles costing quite a bit more. Underneath the classic looks sits Weatherby's Model 307 action, a two lug, fully cylindrical design built in Sheridan, Wyoming with a Remington 700 pattern footprint. That means a huge world of aftermarket triggers, rails, mounts, and magazines will bolt right up if you ever want to tinker down the road.
Why the 338 WBY RPM Chambering Makes Sense
This one comes in 338 WBY RPM, Weatherby's rebated rim magnum that pushes a 225 grain bullet around 2800 fps from a 24 inch barrel. That puts it right in 338 Win Mag territory ballistically, but the rebated rim design lets it run in a standard length action, so you get big bore elk and moose medicine without hauling around a full magnum sized rifle. Feeding from a 4+1 capacity, it's a legitimate do everything cartridge for large game at real hunting distances.
Adventure SD Features That Earn Their Keep
The 24 inch fluted barrel wears Graphite Black Cerakote along with the receiver and bolt, so the metalwork shrugs off weather that would have older blued rifles sweating. The muzzle is threaded 5/8-24 and ships with Weatherby's radial brake installed, which takes a real bite out of felt recoil, and a thread protector is included if you'd rather run the barrel clean or hang a suppressor on it. An adjustable TriggerTech trigger breaks clean from the factory, the two position safety is simple and positive, and the receiver is drilled and tapped so mounting glass is straightforward.
Who the Weatherby 307 Adventure SD Suits Best
This rifle is for the hunter who wants magnum thump and modern accuracy but refuses to carry another black plastic stock up the mountain. It shoots like a current production Weatherby and looks like the rifles your dad wished he owned. Hard combination to argue with.
Key Specifications
- Manufacturer: Weatherby
- Manufacturer Part Number: 3WASD338WR6B
- UPC: 747115463275
- Action: Model 307 Bolt Action, 2-Lug
- Caliber: 338 WBY RPM
- Capacity: 4+1
- Barrel Length: 24" Fluted (26" with muzzle brake)
- Twist Rate: 1:10
- Muzzle Thread: 5/8-24
- Overall Length: 44.25"
- Stock: Fancy Walnut with Rosewood Forend and Grip Cap
- Metal Finish: Graphite Black Cerakote
- Trigger: Adjustable TriggerTech
- Safety: Two-Position
- Length of Pull: 13.75"
What’s Included
- Weatherby 307 Adventure SD rifle
- Radial muzzle brake (factory installed)
- Thread protector
- Owner's manual
Frequently Asked Questions
What is the 338 WBY RPM cartridge comparable to?
It runs neck and neck with the 338 Win Mag, sending a 225 grain bullet at roughly 2800 fps from a 24 inch barrel. The difference is the rebated rim case, which lets it work in a standard length action instead of a full magnum receiver. You get big bore performance for elk, moose, and bear in a trimmer, lighter rifle.
Does the Weatherby 307 Adventure SD accept aftermarket parts?
Yes, and that's one of the best things about it. The Model 307 action uses a Remington 700 pattern footprint, so a huge range of aftermarket stocks, triggers, rails, scope mounts, and bottom metal will fit. The receiver also comes drilled and tapped from the factory for easy optic mounting.
Can I run a suppressor on the 307 Adventure SD in 338 WBY RPM?
You can. The 24 inch fluted barrel is threaded 5/8-24, which is the common thread pitch for most 30 caliber and larger suppressors and muzzle devices. It ships with the radial brake installed plus a thread protector, so you can swap between the brake, a can, or a clean muzzle.
Does the muzzle brake really tame the recoil on this rifle?
It makes a noticeable difference. Weatherby's radial brake design vents gas evenly and can cut felt recoil substantially, which matters with a cartridge in the 338 magnum class. Just remember brakes add blast and noise, so ear protection is a must at the bench.



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