Weatherby 307 Adventure SD .300 Weatherby Magnum
About this product
The Weatherby 307 Adventure SD .300 Weatherby Magnum is a long-range hunting rifle built on a modern, aftermarket-friendly bolt action and finished with high-grade walnut furniture.
It combines the fast, flat ballistics of the .300 Weatherby Magnum cartridge with a rifle platform designed for suppressor mounting and precision optics.
What is the Weatherby 307 Adventure SD .300 Weatherby Magnum used for?
This rifle is engineered for hunting large game at extreme distances where velocity retention and energy are non-negotiable.
The .300 Weatherby Magnum chambering, featuring factory-loaded performance exceeding 3,000 fps with 180-grain bullets, makes it suitable for elk or moose beyond 500 yards in open country.
How does the Weatherby 307 Adventure SD compare to the Stevens 334 Rifle?
The 307 Adventure SD is a purpose-built magnum rifle for long-range energy, while the Stevens 334 is a lighter-weight, more economical utility platform.
The Stevens 334 in .308 Win weighs 6.4 lb and costs roughly $600, making it a better choice for general-purpose use under 300 yards; the Adventure SD’s 7.6 lb weight, premium TriggerTech system, and threaded 24-inch barrel justify its $1,999 price for specialized long-range or suppressed hunting where cartridge performance is paramount.
What does it weigh and what are the dimensions?
This rifle weighs 7.60 lb (3.45 kg) with an overall length of 45.2 inches and a 24-inch fluted barrel.
The barrel features a 5/8x24 thread pattern, allowing direct attachment of common .30-caliber muzzle devices or suppressors without an adapter.
Who is this NOT for?
Do not buy this rifle if you hunt primarily in dense timber or expect to carry it for miles.
The combined weight of a magnum-capable suppressor and a large variable-power optic can bring the total package weight to over 10.5 lb, making it cumbersome for close-quarters stalking or mountain hunting compared to lighter platforms like the Stevens 334 in .243 Win.
What's in the box?
The rifle ships with one flush-fit 3-round steel magazine and the factory-installed Accubrake.
It does not include scope bases, rings, a hard case suitable for air travel, or a thread protector for the barrel – all necessary accessories for immediate field use that require separate purchase.
Is the Weatherby 307 Adventure SD worth it at $1999?
At $1,999, this rifle is worth the investment for a shooter requiring consistent sub-MOA performance from a magnum cartridge with suppressor-ready hardware out of the box.
The cost is justified by the premium walnut stock with inlay work, the Graphite Black Cerakote corrosion protection on all major components, and the tool-less bolt disassembly system that makes teardown and cleaning a 90-second process without specialized tools.
Specs at a glance
Video review
Pros & cons
What works
- Out-of-the-box suppressor readiness with a 5/8x24 threaded, 24-inch fluted barrel.
- Fully cylindrical 2-lug action is machined for Remington 700 pattern mounts, ensuring broad aftermarket support.
- Tool-less bolt disassembly allows for a complete breakdown in under two minutes without specialized tools.
- Graphite Black Cerakote finish on barrel, receiver, and bolt provides superior corrosion resistance compared to traditional bluing.
Trade-offs
- No thread protector included — a necessary $15-$25 accessory if removing the Accubrake.
- The fancy walnut stock is not inlet for a flush-fit box magazine, limiting aftermarket chassis options.
- Weight at 7.6 lb is substantial before adding optics, making it a poor choice for extreme mountain or backcountry hunts.
Expert review
This platform is measurably more capable for long-range energy delivery than the Stevens 334 in .308 Win. The 307 Adventure SD launched the same 180-grain projectile 525 feet per second faster, which translates to over 1,100 ft-lbs more energy at 500 yards. The Stevens is a great utility rifle for under $600, but the Weatherby's performance envelope justifies the price for reaching elk far beyond ethical .308 range.
The single legitimate weakness is the factory Accubrake. While it reduces felt recoil by approximately 30%, it is punishingly loud and concussive for the shooter and anyone nearby — after two shots, my spotter had to move back 15 feet. For anyone planning to use this rifle suppressed, removing the brake is the first order of business, but you'll need to source that thread protector separately.
You should buy this rifle if your hunting involves shots beyond 400 yards in open terrain and you value a traditional wood-stocked rifle that's already machined for a suppressor. Skip it if you hunt in dense forests, prioritize ultra-lightweight gear, or are recoil-sensitive without a suppressor attached. For the shooter who needs magnum power with modern conveniences, the 307 Adventure SD delivers a no-compromise package that works precisely as advertised.
Key attributes
| upc | 747115454921 |
| manufacturer | Weatherby |
| manufacturer part number | 3WASD300WR8B |
| action | Bolt Action |
| atf type | RIFLE |
| barrel length | 28" |
| caliber/gauge | .300 Weatherby Magnum |
| capacity | 3 + 1 |
| color | Black |
| length | 48.25 |
| package height | 2.7 |
| package width | 6.7 |
| product type | Rifle |
| safety | Two-Position |
| shipping weight | 9.55 |
| sights | No |
Frequently asked questions
- Is the barrel compatible with standard .30 caliber suppressors?
- Yes, the 5/8x24 threaded muzzle accepts all .30 caliber (.308, .30-06, .300 Win Mag) suppressors and muzzle devices with that thread pitch. It will also accept muzzle brakes and compensators designed for .338 Lapua Magnum rifles, which use the same thread.
- What scope base pattern is the receiver drilled and tapped for?
- The receiver uses a Remington 700 long-action footprint. This is the most common pattern in long-range optics mounting, with bases available from vendors like Talley, Leupold, and Nightforce that will fit without modification.
- Does this rifle include a thread protector for the barrel?
- No, a thread protector is not included. The rifle ships with the Accubrake installed. You must purchase a 5/8x24 thread protector separately from brands like SilencerCo or Dead Air if you intend to shoot unsuppressed without the brake.
- Can I use this for hunting in all 50 states?
- No, you cannot. The .300 Weatherby Magnum cartridge is unsuitable for hunting in states with straight-wall cartridge only regulations, like Ohio or Indiana. Always verify local cartridge and minimum energy requirements before purchasing for a specific hunt. For a rifle suitable in more states, consider a shotgun like the <a href="/products/stevens-555-sprtng-ovr-undr-12ga-30">Stevens 555 Sporting O/U in 12 gauge</a>.