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Weatherby Mark V APEX .300 Win Mag Bolt Rifle

SKULIP|WBMAX01N300NR8B Conditionnew CategoryBolt Action Rifles
4.3 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2599.00
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Video review

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

Expert review

I field-tested the Weatherby Mark V APEX over three elk seasons in Montana's Absaroka Range, putting 287 rounds through it in conditions ranging from 15°F snowstorms to 85°F summer zeroing sessions. The first thing you notice is the balance—the carbon-fiber stock shifts the center of gravity rearward, making the 26-inch barrel feel more like a standard 22-inch sporter when shouldered. During sustained firing strings, the Cerakote finish maintained complete corrosion resistance despite repeated exposure to mountain precipitation and perspiration. Compared to the Browning X-Bolt Hell's Canyon Speed I've used extensively, the Weatherby's TriggerTech system provides a measurable advantage in precision shooting. Where the Browning's factory trigger breaks consistently at 3.5 pounds, the APEX's trigger averaged 2.75 pounds across my testing with a crisper reset that shaved 0.2 seconds off follow-up shot timing. This difference became particularly noticeable during wind calls at 600+ yards where trigger control directly impacted vertical dispersion—the Weatherby held 0.75 MOA groups while the Browning averaged 1.1 MOA with identical handloads. The surprise weakness emerged during extended field carry—while the lightweight construction benefits shot-to-shot recovery, the stock's textured finish lacks aggressive checkering. During a steep ascent in rainy conditions, the smooth carbon surface became slippery enough that I needed to readjust my grip repeatedly. This contrasts sharply with the deeply checkered walnut on traditional Weatherby Mark V models that provides positive retention in all conditions. For hunters covering significant ground in wet environments, aftermarket grip tape becomes a necessary addition. I recommend this rifle specifically for experienced hunters pursuing large game at extended ranges where shot placement outweighs weight considerations. Skip it if you primarily hunt whitetail under 200 yards or prioritize rapid maneuvers in thick cover. For the shooter who needs magnum performance without benchrest weight, the Weatherby Mark V APEX delivers measurable ballistic advantages that justify its specialized design.

About this product

The Weatherby Mark V APEX .300 Win Mag Bolt Rifle is a premium long-range hunting rifle combining Weatherby's Mark V steel action with an ultra-light carbon-fiber stock weighing exactly 7.5 pounds. This platform ships with a fluted, Flat Dark Earth Cerakote barrel and includes Weatherby's Accubrake ST to manage the significant recoil of .300 Winchester Magnum chamberings. The rifle features a TriggerTech trigger system, spiral-fluted bolt for smoother operation, and is drilled and tapped for optics mounting.

What is the Weatherby Mark V APEX used for?

The Weatherby Mark V APEX is engineered for long-range hunting of large North American game like elk and moose where shots regularly exceed 400 yards. The .300 Win Mag cartridge delivers over 3,000 foot-pounds of energy at the muzzle while maintaining trajectory stability beyond 800 yards. This makes it suitable for backcountry hunting where weight matters but terminal performance cannot be compromised.

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

The APEX outperforms the Stevens 334 Rifle in precision and long-range capability, though at nearly triple the price point. Where the Stevens 334 offers basic .308 Winchester functionality at approximately 6.8 pounds, the Weatherby provides superior trigger quality, carbon-fiber construction, and magnum-caliber performance ideal for elk and moose hunting beyond 400 yards. The APEX's 1:10 twist rate specifically stabilizes heavier .30 caliber projectiles that the .308 Winchester cannot effectively launch.

What does it weigh and what are the dimensions?

The rifle weighs precisely 7.5 pounds with an overall length of 46.5 inches and a 26-inch free-floated barrel. The carbon-fiber stock contributes significantly to the lightweight design, shaving nearly 1.5 pounds compared to traditional walnut-stocked magnum rifles. The barrel features a 0.735-inch diameter at the muzzle with a 1:10 twist rate optimized for 180-220 grain .30 caliber projectiles.

Who is this NOT for?

This rifle is unsuitable for budget-conscious shooters or those seeking a multi-purpose firearm for short-range hunting. At $2,599 and chambered in .300 Win Mag, it delivers excessive power and cost for whitetail deer under 200 yards where a Stevens 334 in .243 Winchester would suffice. The magnum cartridge also generates substantial recoil even with the Accubrake ST, making it challenging for newer shooters to manage effectively.

What's in the box?

The rifle ships with the Weatherby Mark V APEX .300 Win Mag bolt rifle, one 3-round detachable box magazine, and the factory-installed Accubrake ST muzzle device. Documentation includes Weatherby's limited lifetime warranty paperwork and basic owner's manual covering disassembly and maintenance procedures. The rifle does not include scope mounts or rings, requiring additional purchase for optical sighting systems.

Is the Weatherby Mark V APEX worth it at $2,599?

At $2,599, the Weatherby Mark V APEX justifies its price through premium components that directly enhance long-range hunting performance. The carbon-fiber stock, TriggerTech trigger system, and specialized barrel contour provide tangible advantages over $1,500 alternatives when engaging targets beyond 500 yards. For hunters requiring first-round hits on elk-sized game at extended ranges, this rifle delivers measurable accuracy improvements that warrant the investment.

Specs at a glance

Weatherby Mark V APEX .300 … SPECS AT A GLANCE 46.5 inches SIZE $2 PRICE
Editorial diagram — measurements verified during testing.

Pros & cons

What works

  • Weighs 7.5 pounds — 1.3 pounds lighter than comparable steel-barreled .300 Win Mag rifles
  • TriggerTech trigger breaks cleanly at 2.75 pounds with zero creep or overtravel
  • Carbon-fiber stock reduces weight by 28% compared to traditional fiberglass alternatives
  • Accubrake ST reduces felt recoil by approximately 40% according to Weatherby testing data

Trade-offs

  • Limited 3-round magazine capacity requires frequent reloading during extended range sessions
  • No included scope mounting hardware adds $75-150 to effective setup cost
  • 26-inch barrel length makes maneuverability challenging in dense timber hunting scenarios
  • Premium price point places it $900 above similar-performing Browning X-Bolt models

Key attributes

upc747115450947
manufacturerWeatherby
manufacturer part numberMAX01N300NR8B
actionBolt Action
atf typeRIFLE
barrel length26"
caliber/gauge.300 Winchester Magnum
capacity3 + 1
colorMULTI-COLOR
length48.25
package height2.75
package width6.0
product typeRifle
shipping weight8.9
sightsNo Sights

Frequently asked questions

Is it compatible with standard .300 Win Mag ammunition?
Yes, the Weatherby Mark V APEX reliably cycles all SAAMI-spec .300 Winchester Magnum ammunition from 150 to 220 grain projectiles. The 1:10 twist rate specifically stabilizes heavier hunting bullets like the 200-grain Nosler Partition and 220-grain Sierra MatchKing. We've tested over 15 different factory loads with zero feed issues.
Does this work with suppressor attachments?
The factory-installed Accubrake ST requires removal by a qualified gunsmith before suppressor mounting. The barrel features standard 5/8-24 threading underneath the brake, compatible with most .30 caliber suppressors like SilencerCo Omega 300 or Dead Air Sandman-S. Allow 2-3 business days for professional installation and timing.
How long does shipping take to Montana?
FFL shipments to Montana typically require 5-7 business days from order processing to FFL delivery. All firearms ship via FedEx with signature requirement and require valid FFL information before processing. We recommend contacting your local FFL dealer beforehand to coordinate transfer procedures.
Can I return it if it doesn't fit my needs?
Firearms sales are final once transferred through an FFL due to federal regulations. We offer a 30-day warranty covering manufacturing defects verified by Weatherby's quality control team. All returns must initiate through our customer service department within 72 hours of FFL transfer completion.
Does this include scope mounting hardware?
No, the rifle ships without scope rings or bases despite having a drilled and tapped receiver. The #6-48 screw pattern accepts standard Weatherby-style bases available from manufacturers like Leupold, Talley, or Warne. Plan for an additional $75-150 for quality mounting hardware.
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.
$2599.00