Description
The 307 Adventure SD is Weatherby's way of blending old-world rifle styling with their newest action design. This one is chambered in 300 Win Mag, a flat-shooting magnum that's earned its reputation on elk, mule deer, and open-country game where reach matters. The fancy walnut stock with rosewood forend and grip cap gives it that heirloom-gun feel, but underneath that classic look sits a thoroughly modern setup built around the Model 307 action.
What Makes the 307 Adventure SD Tick
The Model 307 is a two-lug, fully cylindrical bolt action built on a Remington 700 footprint, which means it plays nice with a huge range of aftermarket stocks, triggers, rails, and bottom metal. The three-piece bolt breaks down tool-free for field cleaning, and it runs an M16-style extractor for positive feeding and ejection. Weatherby finishes the action, bolt, and fluted barrel in weather-resistant Graphite Black Cerakote, so this rifle can get rained on and keep working. It ships with a user-adjustable TriggerTech trigger that breaks clean with zero creep.
Reach and Recoil on the 300 Win Mag Build
This chambering wears a 24-inch fluted barrel with a 1:10 twist and a 1/2-28 threaded muzzle. A universal Accubrake comes installed from the factory, and its radial design dumps gas sideways to cut felt recoil by a noticeable margin, which is a welcome thing on a 30-caliber magnum. Pull the brake off and the threads are ready for a suppressor or a thread protector. Feeding comes from a classic hinged floorplate, a detail that fits the traditional character of the rifle.
Accuracy You Can Count On
Like the rest of the 307 lineup, the Adventure SD carries Weatherby's sub-MOA guarantee, meaning it's backed to put three shots inside an inch at 100 yards from a cold barrel with quality ammunition. Pair that accuracy promise with the stretch and energy of the 300 Win Mag and you've got a genuine do-it-all big game rifle that looks as good in the gun cabinet as it does in the field. It's built at Weatherby's home shop in Sheridan, Wyoming.
Key Specifications
- Manufacturer: Weatherby
- Model: 307 Adventure SD
- Manufacturer Part Number: 3WASD300NR6B
- UPC: 747115460984
- Caliber: 300 Winchester Magnum
- Action: Bolt Action (Model 307)
- Barrel Length: 24 inches (fluted)
- Twist Rate: 1:10
- Muzzle Threads: 1/2-28
- Muzzle Device: Accubrake (radial muzzle brake)
- Capacity: 3+1 (hinged floorplate)
- Trigger: TriggerTech, adjustable
- Safety: Two-position
- Finish: Graphite Black Cerakote
- Stock: Fancy walnut with rosewood forend and grip cap
- Receiver Pattern: Remington 700 footprint
What’s Included
- Weatherby 307 Adventure SD rifle (300 Win Mag)
- Installed Accubrake muzzle brake
- Thread protector
- Owner's manual
Frequently Asked Questions
Is the 307 Adventure SD threaded for a suppressor?
Yes. This 300 Win Mag build comes with a 1/2-28 threaded muzzle and a factory-installed Accubrake. Pull the brake off and you can thread on a suppressor or the included thread protector.
What is the magazine capacity on the 300 Win Mag version?
The 300 Win Mag Adventure SD holds 3+1 rounds and feeds from an internal box with a classic hinged floorplate. That hinged floorplate is a nice traditional touch that matches the rifle's old-school walnut styling.
Does the 307 Adventure SD really shoot sub-MOA?
Weatherby backs every 307 rifle with a sub-MOA guarantee, meaning it's warranted to group three shots inside an inch at 100 yards from a cold barrel. That guarantee applies when you use Weatherby factory or quality premium ammunition.
Will aftermarket parts fit the Model 307 action?
They will. The Model 307 is built on a Remington 700 footprint, so it accepts a wide range of 700-pattern stocks, triggers, scope bases, and bottom metal. That makes the Adventure SD one of the easier rifles in the Weatherby line to customize down the road.



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