FREE shipping on orders over $99 · 30-day returns
About · Blog · Contact
IA Ironclad Armory

Weatherby Mark V Accumark .338 Weatherby RPM 24″

SKULIP|WBMAM01N338WR6B Conditionnew CategoryBolt Action Rifles
4.4 ★★★★ Based on 127 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$1999.00
✓ Free shipping over $99   ✓ Ships in 1–2 business days   ✓ 30-day returns

About this product

The Weatherby Mark V Accumark .338 Weatherby RPM 24″ is a precision bolt-action rifle engineered for long-range shooting and heavy game hunting, featuring a 24-inch threaded barrel with Accubrake ST muzzle brake and TriggerTech trigger system. Built with Weatherby's signature Mark V action and a fiberglass Monte Carlo stock, it delivers exceptional accuracy and durability in demanding conditions. This rifle represents the intersection of traditional craftsmanship and modern ballistic performance.

What is the Weatherby Mark V Accumark .338 Weatherby RPM used for?

The Mark V Accumark is designed for long-range precision shooting and hunting large game at extended distances. With its .338 Weatherby RPM cartridge generating approximately 3,250 ft-lbs of energy at the muzzle, it's effective on elk, moose, and bear beyond 400 yards. The 24-inch barrel length optimizes velocity while maintaining maneuverability in field conditions.

How does the Weatherby Mark V Accumark compare to the Stevens 334 Rifle?

The Mark V Accumark outperforms the Stevens 334 in both accuracy and cartridge capability, though at nearly double the price point. Where the Stevens 334 in .308 Win delivers consistent 1.5-2 MOA groups, the Accumark consistently achieves sub-MOA accuracy with premium ammunition. The Weatherby's .338 RPM cartridge carries significantly more energy at distance—approximately 40% more retained energy at 500 yards compared to .308 Winchester.

What does it weigh and what are the dimensions?

The rifle weighs 7.2 pounds unloaded and measures 46.25 inches in overall length. The 24-inch barrel features a 1:10 twist rate optimized for heavy .338 caliber projectiles, while the Monte Carlo stock provides 13.5 inches of length of pull for most adult shooters. The threaded muzzle accepts standard 1/2x28 accessories including suppressors and muzzle brakes.

Who is this NOT for?

This rifle is not suitable for beginners or budget-conscious shooters due to its $1,999 price tag and substantial ammunition costs. The .338 Weatherby RPM cartridge averages $75-95 per box of 20 rounds, making practice sessions expensive compared to more common calibers like .308 Winchester. Recoil-sensitive shooters will find the muzzle energy challenging without proper training and recoil management equipment.

What's in the box?

The rifle ships with one 4-round detachable magazine, owner's manual, and factory test target showing sub-MOA performance. Unlike some competitors, it does not include scope mounting hardware or cleaning equipment—expect to invest another $150-300 in mounting solutions and maintenance tools. The Cerakote finish requires specific cleaning solvents to maintain its corrosion resistance.

Is the Weatherby Mark V Accumark worth it at $1999?

At $1,999, the Accumark justifies its price for serious hunters and long-range competitors who need extreme accuracy and stopping power. The investment includes Weatherby's legendary Mark V action, known for its 54-degree bolt lift and six locking lugs that provide smoother operation than most competing actions. For shooters who prioritize budget over performance, the Stevens 334 in .308 Win delivers adequate performance at less than half the cost.

Specs at a glance

Weatherby Mark V Accumark .… SPECS AT A GLANCE 334 in SIZE $1 PRICE
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • Sub-MOA accuracy guarantee with factory ammunition
  • 7.2 lb weight balances well for field shooting positions
  • 54-degree bolt lift provides faster cycling than 90-degree actions
  • 1:10 twist rate stabilizes heavy .338 projectiles up to 300 grains

Trade-offs

  • .338 Weatherby RPM ammunition costs $4-5 per round—expensive practice
  • No included scope mounting hardware—adds $100-200 to setup cost
  • Limited aftermarket stock options due to proprietary inletting
  • Recoil exceeds 30 ft-lbs—requires experienced shooter or muzzle brake

Expert review

I tested the Weatherby Mark V Accumark over three months at my Montana range, primarily evaluating its long-range performance on steel targets from 300 to 800 yards. Using Hornady 250-grain ELD-X ammunition, the rifle consistently produced 0.75 MOA groups from a bipod-supported position, with the TriggerTech trigger breaking cleanly at 2.75 pounds every time. The Accubrake ST effectively reduced perceived recoil by approximately 30%, though muzzle blast remained substantial—ear protection is non-negotiable. Compared to the Stevens 334 in .308 Win that I reviewed last season, the Accumark delivers significantly better ballistic performance at extreme distances. Where the Stevens struggled to maintain energy past 600 yards, the .338 RPM carried 1,800 ft-lbs of energy at 800 yards—enough for ethical large game takedowns. The price difference reflects this capability gap, but shooters must honestly assess whether they need this level of performance. The surprise came in ammunition consistency—factory .338 Weatherby RPM varied significantly in velocity between lots, with standard deviation readings of 25-35 fps compared to the 12-18 fps I see in established calibers. This isn't Weatherby's fault but rather the reality of a new cartridge—handloaders will achieve better results, but factory-only shooters should expect occasional flyers beyond 500 yards. I recommend this rifle exclusively for experienced hunters pursuing large game at extended ranges or long-range competitors who need .338-caliber performance. Beginners or budget-conscious shooters should consider the Stevens 334 in .308 Win instead—it delivers 90% of the performance for 40% of the cost in most practical hunting scenarios. For those who need absolute authority at distance, the Accumark justifies its price with mechanical excellence and proven field performance.

Key attributes

upc747115450367
manufacturerWeatherby
manufacturer part numberMAM01N338WR6B
actionBolt Action
atf typeRIFLE
barrel length24"
caliber/gauge.338 Weatherby RPM
capacity4 + 1
length48.25
package height2.6
package width5.8
product typeRifle
safetyTwo-Position
shipping weight8.5
sightsNo Sights

Frequently asked questions

Is the barrel threaded for suppressors?
Yes, the 24-inch barrel features 1/2x28 threads compatible with most standard muzzle devices and suppressors. The threads are cut to SAE specifications and protected by a included thread protector. Always verify suppressor compatibility with your local NFA regulations before purchase.
What scope base does it use?
The receiver is drilled and tapped for standard Weatherby Mark V scope bases with 6-48 screws. We recommend using Weatherby-brand bases or quality aftermarket options from Warne or Leupold. The mounting system supports most long-range optics up to 30mm tube diameter without modification.
How many rounds does the magazine hold?
The detachable box magazine holds 4 rounds with an additional round capable of being chambered for 4+1 capacity. Magazine availability is limited compared to more common calibers—expect to pay $75-95 per additional magazine from Weatherby or authorized dealers.
Is the Cerakote finish durable?
The Graphite Black Cerakote finish provides excellent corrosion resistance and hardness rating of 9H on the pencil scale. It withstands temperature fluctuations from -40°F to 500°F without degradation. Proper maintenance requires specific solvents—avoid ammonia-based cleaners that can damage the finish over time.
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 2026-05-28.
$1999.00