Description
If you’re chasing a flat-shooting magnum that handles like a custom gun right out of the box, the Weatherby Mark V Accumark 25RPM 24″ is a serious piece of hardware. Chambered in the fast 25 RPM (Rapid Precision Magnum) and built on Weatherby’s own Model 307 action, this bolt-action rifle delivers sub-MOA accuracy straight from the factory. I’ve run a few Accumarks over the years, and this one’s a solid pick for open-country mule deer or long-range varmint work without the wait or cost of a full custom build.
| Manufacturer | Weatherby (per manufacturer specs) |
|---|---|
| Model | Mark V Accumark |
| Caliber | .25 RPM |
| Barrel Length | 24 inches |
| Action | Model 307 2-lug fully cylindrical bolt action |
| Stock | Accumark composite with aluminum bedding |
| Finish | Matte black metal with textured stock |
| Weight | Approx. 7.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Model 307 Two-Lug Bolt Action – Why it matters: This fully cylindrical bolt design gives you a smooth, consistent cycle with 60-degree lift, keeping your eye on target during fast follow-ups on a running buck.
- 24″ Fluted Barrel – Why it matters: The fluting sheds weight without sacrificing stiffness, so you can carry this rifle all day on a high-country hunt and still hold tight groups at 400 yards.
- Accumark Composite Stock with Aluminum Bedding – Why it matters: The rigid bedding locks the action in place, preventing point-of-impact shifts when you shoot off a pack or bipod in uneven terrain.
- .25 RPM Chambering – Why it matters: This cartridge pushes a 100-grain bullet at over 3,300 fps with mild recoil, giving you a flat trajectory for reaching out on prairie dogs or pronghorn without a muzzle brake.
- Adjustable Trigger – Why it matters: You can dial the pull weight down to around 2.5 pounds, which helps you break clean shots on windy days when a heavy trigger would pull you off target.
Who It’s For
This rifle is built for the hunter who wants factory accuracy without the custom-shop price tag. If you’re chasing open-country game like mule deer, antelope, or coyotes at extended ranges, the 25 RPM’s velocity and the Accumark’s bedding give you an edge. It’s also a solid choice for the shooter who appreciates a lightweight rig that still holds sub-MOA groups—think spot-and-stalk in the Rockies or long sits on a prairie dog town.
Pros & Cons
- Pro: Factory-tuned accuracy—most Accumarks shoot under 1 MOA with quality ammo right out of the box.
- Pro: Light enough (7.5 lbs) for all-day carry, but stiff enough to handle magnum pressures without torque issues.
- Pro: The 25 RPM round delivers .25-06-like speed with less recoil and a shorter action.
- Con: Ammo availability is limited compared to .243 or 6.5 Creedmoor—you’ll likely need to order online or handload to keep it fed.
Comparison
| Feature | Weatherby Mark V Accumark 25 RPM | Geissele Super Duty Bolt Action | Timney 2-Stage Trigger (Aftermarket) |
|---|---|---|---|
| Caliber | .25 RPM | 6.5 Creedmoor | N/A (trigger upgrade) |
| Barrel Length | 24″ fluted | 22″ | N/A |
| Action | Model 307 2-lug | Remington 700 clone | Compatible with R700 |
| Weight | ~7.5 lbs | ~8.2 lbs | ~0.25 lbs |
| Accuracy Guarantee | Sub-MOA (factory) | Sub-MOA (handloads) | N/A |
| Price | $1,999 | $2,400 | $150 |
The Accumark undercuts the Geissele by about $400 and offers a faster, flatter-shooting caliber for open-country hunters. If you already own a Remington 700, adding a Timney trigger can improve break quality, but you won’t get the integral bedding or lightweight barrel profile of the Accumark.
FAQ
What is the barrel twist rate on the Weatherby Mark V Accumark 25 RPM?
The 24″ barrel uses a 1:10″ twist, which stabilizes 100- to 115-grain bullets well for long-range hunting. According to Weatherby specs, this twist handles the 25 RPM’s high velocity without stripping jackets.
Can I mount a suppressor on this rifle?
Yes, but the barrel is not threaded from the factory. You’ll need a gunsmith to cut and thread the muzzle to 5/8×24 or similar. The 24″ barrel leaves enough length for a brake or can.
Is the .25 RPM ammo hard to find?
It’s not as common as .243 or 6.5 Creedmoor. Weatherby and a few boutique makers produce it, but expect to order online or handload. That’s the trade-off for the ballistic advantage.
What scope mounts fit the Model 307 action?
The action uses a standard Weaver-style rail with 8-40 screws. Most one-piece mounts from brands like Talley or Leupold work. Check for a 20 MOA base if you’re planning long-range work.
Last updated: April 2026
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