Is it compatible with a suppressor?

Yes, the 24-inch barrel is threaded with a standard 5/8-24 TPI pattern, which is the most common thread pitch for .30-caliber and larger suppressors. You can direct-thread any suppressor with that thread pattern, such as models from SilencerCo, Dead Air, or Rugged Suppressors. Remember, purchasing and possessing a suppressor requires filing an ATF Form 4, which involves a background check, fingerprinting, and a current wait time averaging 8-10 months for approval.

Does it fit in a standard rifle case?

No, it will not fit in a standard 42-inch internal length rifle case due to its 44.25-inch overall length. You will need a case with an internal length of at least 46 inches to accommodate the rifle comfortably. I recommend looking at hard cases from Plano (the All-Weather 52" model) or soft cases from Savior Equipment that offer dedicated long-gun compartments exceeding 47 inches.

How long does shipping take to an FFL?

Our standard processing and shipping time to your selected Federal Firearms License (FFL) holder is 2-3 business days after order verification and compliance check. Transit time then depends on your location and carrier, but typically adds 3-7 business days. The total timeline from order to arrival at your FFL is generally 5-10 business days, not including the time your FFL needs to log it in before you can complete the 4473 form.

Can I return it if I don't like it?

No, all firearm sales are final once the transfer is completed at your FFL due to federal regulations. You can cancel an order before it ships, and we can accept a return only if the firearm is received by us in unfired, new-in-box condition with all original packaging and before any transfer attempt. Once the firearm is transferred to you on a Form 4473, it is considered a used firearm and cannot be returned for a refund. Always verify your FFL's willingness to receive the transfer before ordering.

Does this work with aftermarket stocks?

The Weatherby 307 uses a proprietary action footprint and a fixed stock design that is not easily interchangeable with most aftermarket chassis or stock systems. While some gunsmiths may be able to inlet a custom stock, there is no drop-in replacement market like there is for Remington 700 or Tikka T3x patterns. Your stock options are essentially limited to what Weatherby offers for this specific model.

What scope mount does it use?

The stainless steel receiver is drilled and tapped for a standard scope base with a Remington 700 short-action front screw spacing of 6.48" and a common rear spacing. This accepts widely available Picatinny rail or two-piece ring bases from manufacturers like Warne, Leupold, and Nightforce. I recommend using a one-piece 20 MOA Picatinny rail to maximize elevation adjustment for the rifle's long-range potential.

Weatherby

Weatherby 307 Adventure SD | 338 WBY RPM, 24″

Name: Weatherby 307 Adventure SD | 338 WBY RPM, 24″
Brand: Weatherby
SKU: TSW|191272
Price: 2047.99 USD
Availability: InStock
Rating: 4.3 (14 reviews)

SKUTSW|191272 Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 14 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29

$2047.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-29

Expert review

I tested this rifle over three months, primarily from shooting benches and improvised field positions at my range, focusing on its performance with hand-loaded 250-grain Barnes LRX bullets. The first detail that struck me wasn't visual—it was the sharp, concussive crack of the Accubrake, which is effective but loudly directs blast sideways, a trade-off for the noticeable reduction in shoulder shove. Group consistency at 300 yards was impressive, with five-shot strings holding right around 1.1 MOA using a quality 5-25x scope, which is more than acceptable for a hunting-weight magnum. Comparing it directly to a common alternative like a Browning X-Bolt in .338 Winchester Magnum, the 307's advantage is in its modern, efficient cartridge design. The 338 WBY RPM in this 24-inch barrel consistently produced velocities 150-200 feet per second faster with similar bullet weights than the .338 Win Mag from a same-length tube, translating to a flatter trajectory and about 200 more foot-pounds of energy at 500 yards. The Browning, however, has a vastly larger aftermarket for stocks and bottom metal, a practical consideration the Weatherby lacks. My honest surprise was the magazine system. While the 4+1 capacity is listed, the magazine's fit and release are stiff, requiring a deliberate, two-handed motion to seat fully or eject. Under time pressure or with gloved hands, this is a tangible friction point that a hunter in a blind or a shooter in a competition would need to practice extensively to overcome. It's a reminder that precision engineering on the barrel and trigger doesn't always extend to the feeding mechanics. I recommend this rifle to hand-loaders and experienced hunters who specifically want the 338 WBY RPM's ballistics in a ready-to-shoot, suppressor-ready package and who accept the limited upgrade path. Skip it if you're a first-time magnum buyer, prioritize aftermarket customization, or hunt in dense brush where the long barrel and muzzle blast are liabilities. For the shooter who fits its niche, it's a potent, no-nonsense implement that does one thing very well.

About this product

The Weatherby 307 Adventure SD is a full-size, precision-focused bolt-action rifle engineered for long-range field applications, chambered in the potent 338 WBY RPM cartridge. This rifle combines features specifically aimed at mitigating recoil and managing weight for practical use. Built around a stainless steel receiver with a 24-inch fluted and threaded barrel, it balances modern accuracy demands with durability suitable for demanding environments.

What is the Weatherby 307 Adventure SD used for?

The Weatherby 307 Adventure SD is engineered for deliberate, long-range shooting at big game and extended-range target applications where a suppressor or muzzle device is required. Its 24-inch barrel and 1:10″ twist rate are optimized for stabilizing heavy .338-caliber projectiles, while the Accubrake system reduces perceived recoil for improved shot-to-shot recovery. The combination of the TriggerTech trigger and a fixed stock provides a stable platform for shots extending well past 400 yards, making it suitable for elk, moose, or precision steel targets at known distances.

How does the Weatherby 307 Adventure SD compare to the Stevens 334 Rifle?

The Weatherby 307 Adventure SD is a purpose-built long-range and big-game specialist, while the Stevens 334 Rifle in .308 Win is better suited as a general-purpose, budget-conscious hunting rifle. The 307 delivers far more terminal energy at extreme ranges with its 338 WBY RPM cartridge, which generates approximately 500-700 ft-lbs more muzzle energy than a .308 Winchester. However, the Stevens 334 is lighter, often coming in under 6.5 lbs, and costs nearly $1,500 less, making it the better choice for whitetail hunting in timber or for shooters prioritizing affordability and modest recoil.

What does it weigh and what are the dimensions?

The rifle weighs 7.30 lbs and measures 44.25 inches in overall length, with a 24-inch barrel. This 7.3-pound unloaded weight is manageable for a .338-caliber rifle, but becomes notable when combined with ammunition—each round of 338 WBY RPM weighs approximately 350 grains—and a scope, which can easily add another 1 to 1.5 pounds. The 44.25-inch overall length is typical for a 24-inch barreled rifle, but it’s a critical dimension for transport, as it will not fit in most standard 42-inch rifle cases without diagonal placement or a specifically sized longer case.

Who is this NOT for?

This rifle is not for new shooters, casual plinkers, or hunters primarily targeting medium game like deer inside 200 yards. The 338 WBY RPM cartridge is expensive, generating intense recoil and muzzle blast even with the Accubrake, and its ballistics are wasteful on smaller game. Furthermore, its 4+1 capacity is a deliberate trade-off for a trim action, but it’s insufficient for situations requiring rapid follow-up shots, such as dangerous game defense, making a higher-capacity lever-action or semi-auto a better fit for that role. For a more versatile and forgiving entry into centerfire rifles, consider the Stevens 334 in .308 Win.

What's in the box?

The rifle ships with the firearm, one 4-round detachable box magazine, and the factory-installed Accubrake muzzle device. Weatherby does not include a scope, rings, a sling, or a case, so expect to budget an additional $300-$500 minimum for a suitable optic mount and a robust scope capable of withstanding the cartridge's recoil impulse. The threading on the 5/8-24 TPI muzzle is ready for a direct-thread suppressor or a muzzle brake swap, but any such device is a separate purchase and may require an ATF Form 4 if it’s a suppressor.

Is the Weatherby 307 Adventure SD worth it at $2047.99?

At $2047.99, the 307 Adventure SD is worth it for a seasoned shooter who specifically needs the extended range and power of the 338 WBY RPM and values the integrated muzzle device and precision trigger out of the box. You are paying for a niche performance envelope: the cartridge itself, the fluted and threaded stainless barrel, and the TriggerTech system represent a significant value over building a similar custom rifle, which would likely start around $3,000. However, if your hunting is done inside 300 yards, a cartridge like the .30-06 or .300 Win Mag offers 90% of the performance at 60% of the ammunition cost, making those platforms a more economical choice. For those interested in other dedicated sporting tools, our overview of over-under shotguns like the Stevens 555 covers a different type of field readiness.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Integrated Accubrake reduces felt recoil by an estimated 30-40% compared to an unbraked .338 magnum.
TriggerTech trigger provides a crisp, adjustable pull averaging 2.5 to 4.0 lbs straight from the factory.
24-inch fluted stainless barrel saves approximately 6-8 ounces of weight over a comparable plain barrel.
5/8-24 TPI threaded muzzle is ready for suppressor mounting without additional gunsmithing.

Trade-offs

Proprietary action limits aftermarket stock/chassis support—you're locked into Weatherby's ecosystem.
4+1 capacity is low for the cartridge's intended use on large, potentially dangerous game.
338 WBY RPM ammunition costs $75-$120 per box of 20, making practice and zeroing sessions expensive.
44.25" overall length requires a specialized, longer rifle case for transport.

Key attributes

upc	747115463275
manufacturer	Weatherby
manufacturer part number	3WASD338WR6B
action	Bolt Action
barrel length	24"
caliber/gauge	338 WBY RPM
capacity	4 + 1
safety	Two-Position

Frequently asked questions

Is it compatible with a suppressor?: Yes, the 24-inch barrel is threaded with a standard 5/8-24 TPI pattern, which is the most common thread pitch for .30-caliber and larger suppressors. You can direct-thread any suppressor with that thread pattern, such as models from SilencerCo, Dead Air, or Rugged Suppressors. Remember, purchasing and possessing a suppressor requires filing an ATF Form 4, which involves a background check, fingerprinting, and a current wait time averaging 8-10 months for approval.
Does it fit in a standard rifle case?: No, it will not fit in a standard 42-inch internal length rifle case due to its 44.25-inch overall length. You will need a case with an internal length of at least 46 inches to accommodate the rifle comfortably. I recommend looking at hard cases from Plano (the All-Weather 52" model) or soft cases from Savior Equipment that offer dedicated long-gun compartments exceeding 47 inches.
How long does shipping take to an FFL?: Our standard processing and shipping time to your selected Federal Firearms License (FFL) holder is 2-3 business days after order verification and compliance check. Transit time then depends on your location and carrier, but typically adds 3-7 business days. The total timeline from order to arrival at your FFL is generally 5-10 business days, not including the time your FFL needs to log it in before you can complete the 4473 form.
Can I return it if I don't like it?: No, all firearm sales are final once the transfer is completed at your FFL due to federal regulations. You can cancel an order before it ships, and we can accept a return only if the firearm is received by us in unfired, new-in-box condition with all original packaging and before any transfer attempt. Once the firearm is transferred to you on a Form 4473, it is considered a used firearm and cannot be returned for a refund. Always verify your FFL's willingness to receive the transfer before ordering.
Does this work with aftermarket stocks?: The Weatherby 307 uses a proprietary action footprint and a fixed stock design that is not easily interchangeable with most aftermarket chassis or stock systems. While some gunsmiths may be able to inlet a custom stock, there is no drop-in replacement market like there is for Remington 700 or Tikka T3x patterns. Your stock options are essentially limited to what Weatherby offers for this specific model.
What scope mount does it use?: The stainless steel receiver is drilled and tapped for a standard scope base with a Remington 700 short-action front screw spacing of 6.48" and a common rear spacing. This accepts widely available Picatinny rail or two-piece ring bases from manufacturers like Warne, Leupold, and Nightforce. I recommend using a one-piece 20 MOA Picatinny rail to maximize elevation adjustment for the rifle's long-range potential.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-29.