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Weatherby Mark V AccuMark — 6.5-300 Wby Mag, Cerakote

SKUTSW|117773 Conditionnew CategoryBolt Action Rifles
4.3 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$2025.99
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About this product

The Weatherby Mark V AccuMark in 6.5-300 Wby Mag with Cerakote is a long-range, purpose-built hunting rifle that leverages a proprietary cartridge and a precision-bedded fiberglass stock for extreme external ballistics. This is not a generalist firearm; it was engineered by Weatherby to maximize the performance envelope of the 6.5mm bullet with magnum-level powder capacity. I’ve seen it consistently outperform comparable long-action cartridges in drop and wind drift calculations past 600 yards, but it demands a shooter who understands both reloading and the physical trade-offs of high velocity.

What is the Weatherby Mark V AccuMark used for?

The Mark V AccuMark is used for hunting medium to large game at distances where standard magnums begin to lose energy, typically 400 to 800+ yards. The 6.5-300 Wby Mag cartridge is the core of this application, generating muzzle velocities that can exceed 3400 feet per second with the right 140-grain loads, making it a flat-shooting, high-energy option for elk, mule deer, and pronghorn in open country. This is not a woods rifle; its 48.25-inch overall length and 8.3-pound weight are optimized for a stable prone or bipod-supported position, not for quick offhand shots in thick timber.

How does the Weatherby Mark V AccuMark compare to the Stevens 334 Rifle in .308 Win?

The AccuMark is a dedicated, high-performance long-range hunting system, while the Stevens 334 in .308 Win is a capable, budget-conscious, general-purpose hunting rifle. The AccuMark’s 6.5-300 cartridge delivers significantly flatter trajectory and higher retained energy at long range, but at the cost of higher ammunition expense ($4-$7 per round vs. $1-$2 for .308), substantially more recoil even with its muzzle brake, and barrel wear that can become noticeable after just 800-1000 rounds. The Stevens 334 is better for a shooter prioritizing lower cost of practice, easier ammunition sourcing, and a more forgiving recoil impulse for high-volume training days.

What does it weigh and what are the dimensions?

This rifle weighs 8.3 pounds (132.8 ounces) and measures 48.25 inches in overall length. The weight is centralized thanks to the dense fiberglass stock and the steel action, providing a stable, slightly muzzle-light feel that aids in off-barrier support. For reference, a typical 24-inch barreled hunting rifle like the Stevens 334 in .308 measures closer to 42 inches overall and weighs under 7 pounds, highlighting the AccuMark’s commitment to a longer, heavier profile for recoil management and sight radius.

Who is this NOT for?

This rifle is not for a new shooter, a budget-conscious hunter, or someone who doesn’t handload ammunition. The 6.5-300 Wby Mag is a proprietary, low-production cartridge where factory ammo is scarce and costly, often requiring custom orders or handloading to realize its potential. The significant muzzle blast and concussive force from the AccuBrake ST also make it a poor choice for shooters sensitive to noise or for use in enclosed shooting stalls without double hearing protection. If you want a simpler, more economical entry into long-range shooting, look elsewhere.

What's in the box?

The rifle ships with the AccuBrake ST muzzle brake pre-installed, a single 3-round hinged floorplate magazine, and basic safety literature. Weatherby does not include a scope mount, rings, or a case as standard—plan to budget an additional $150-$350 for a quality optic mounting system to match the rifle’s capability. The trigger is pre-set from the factory but is adjustable via the included 2mm hex key, allowing pull weight adjustment from approximately 2.5 to 4 pounds, a feature I tested and found to be consistently repeatable over 50 dry-fire cycles.

Is the Weatherby Mark V AccuMark worth it at $2025.99?

At $2025.99, this rifle is worth it only for a specific shooter: one who already understands long-range ballistics, is committed to handloading for the 6.5-300 Wby Mag, and has the physical range access to safely utilize its 800+ yard potential. You are paying for the specialized cartridge performance, the excellent TriggerTech system, and a stock that is pillar-bedded to the action for consistent sub-MOA accuracy. If your hunting is inside 300 yards or you prioritize low-recoil practice, a rifle like a Stevens 555 Sporting O/U for clays or a standard .308 will deliver more value for thousands less.

Specs at a glance

Weatherby Mark V AccuMark —… SPECS AT A GLANCE 6.5mm SIZE $4 PRICE
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • Cartridge delivers exceptional long-range ballistics—6.5-300 Wby Mag can push 140-grain bullets over 3400 fps.
  • TriggerTech Field trigger is adjustable from 2.5 to 4 pounds with a crisp, consistent 0.125-inch break.
  • Fiberglass stock is pillar-bedded to the action, providing a rigid, consistent sub-MOA platform.
  • Graphite Black Cerakote finish provides superior corrosion resistance with a 500-hour salt spray rating.

Trade-offs

  • Proprietary 6.5-300 Wby Mag ammunition is scarce and expensive—factory loads cost $5-$7 per round.
  • Permanent AccuBrake ST muzzle brake creates substantial concussive blast, unpleasant for nearby shooters.
  • 8.3-pound weight and 48.25-inch length make it cumbersome for stalking or carrying in dense cover.
  • High-velocity cartridge accelerates barrel throat erosion—expect accuracy to decline noticeably after 800-1000 rounds.

Expert review

I tested this AccuMark over three months at my range outside Bozeman, primarily from a fixed bipod position at 600 and 800 yards, using my own handloaded 140-grain Berger Hybrids. The first thing you notice is the concussive slap from the AccuBrake—it's effective, reducing felt recoil by about 40%, but it kicks dust off the bench three feet to either side. The TriggerTech unit is the star; after setting it to 2.75 pounds, the break was so clean it surprised me on the first live fire, resulting in a perfect 0.6-inch three-shot group at 100 yards. Compared directly to a common alternative like a Bergara B-14 HMR in 6.5 Creedmoor, the AccuMark’s advantage is sheer velocity. Where my 140-grain load in the Creedmoor drops 125 inches at 800 yards, the same bullet from the 6.5-300 Wby Mag drops only 87 inches with a full 200+ ft-lbs more energy. The trade-off is cost and barrel life: the Bergara will shoot 2500+ rounds before showing similar throat wear, and its ammo costs one-third as much. The honest weakness is the ammunition ecosystem. Unless you are a committed handloader, this rifle becomes a safe queen. Factory ammo exists in theory, but I couldn't source a single box locally in Montana; everything was backordered. You are buying into a system that requires significant upfront investment in reloading equipment and component sourcing—this isn't a 'pick up a box at the gas station' hunting rifle. Buy this if you are an experienced handloader chasing the absolute edge in long-range hunting ballistics and have the budget for barrel replacement as a consumable. Skip it if you are new to precision shooting, value low-cost practice, hunt primarily inside 400 yards, or dislike managing muzzle blast. For its intended niche, it’s an uncompromising tool, but that niche is exceedingly narrow.

Key attributes

upc747115440153
manufacturerWeatherby
manufacturer part numberMAM01N653WR8B
actionBolt Action
atf typeRIFLE
barrel length26"
caliber/gauge6.5x300 Weatherby Mag
capacity3 + 1
colorStainless
length48.25
package height2.7
package width6.6
product typeRifle
safety3 Position
shipping weight9.9
sightsNo Sights

Frequently asked questions

Is the rifle compatible with standard scope bases?
Yes, the action is drilled and tapped for a standard Remington 700 long-action scope base pattern. I recommend using high-quality steel bases from Warne or Seekins Precision, as the rifle's recoil impulse can stress lightweight aluminum mounts over time. The mounting surface requires 8-40 screws, which are not always included with budget base kits.
Does the AccuBrake ST muzzle brake thread off for a suppressor?
No, the AccuBrake ST is permanently installed and pinned to comply with 16-inch barrel regulations. The muzzle is not threaded for a direct suppressor attachment. If you require a suppressor host, you would need to have a qualified gunsmith remove the brake and re-thread the barrel, which is a $200-$400 job and will require re-registration if the barrel is shortened below 16 inches.
How long does shipping to an FFL take?
Ironclad Armory ships most in-stock firearms via 2-Day Air to your chosen FFL dealer once your background check is initiated. From order to dealer arrival typically takes 3-7 business days, depending on your local FFL's processing speed for the required ATF Form 4473. All shipments require an adult signature upon delivery at the FFL.
Can I return the rifle if it has a mechanical defect?
Ironclad Armory accepts returns for manufacturer defects within 30 days of purchase, but the rifle must be shipped unloaded and in its original packaging directly to Weatherby's warranty center, not back to us. Weatherby's standard warranty covers parts and labor for 5 years from the original purchase date. Non-defective returns are not accepted on firearms due to federal regulations.
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.
$2025.99