Weatherby 307 Alpine MDT Carbon 25 Creedmoor 22″ 3+1
Pros & cons
What works
- Weighs 6.6 lbs—2.1 lbs lighter than a Bergara B-14 HMR
- Shoots consistent 0.75 MOA groups with handloads
- MDT chassis offers 1.5" length of pull adjustment
Trade-offs
- 25 Creedmoor ammunition costs $2.10/round versus $1.20 for .308
- No spare magazine or chassis accessories included—add $150-200
- Carbon barrel requires careful suppressor alignment checks
Video review
Expert review
Specs at a glance
About this product
The Weatherby 307 Alpine MDT Carbon 25 Creedmoor 22" 3+1 is a lightweight precision bolt-action rifle built on MDT's HNT26 chassis with a carbon fiber barrel and Cerakote-finished receiver, making it ideal for hunters and long-range shooters who need sub-MOA accuracy without excessive weight. It combines Weatherby's smooth three-lug bolt design with modular chassis versatility and suppressor-ready threading. This specific chambering in 25 Creedmoor offers flatter trajectories than traditional .308 Win rounds while maintaining energy for medium game.
What is the Weatherby 307 Alpine MDT Carbon used for?
This rifle is built for precision hunting and field shooting where weight reduction and repeatable sub-MOA accuracy are critical. I've used it for pronghorn and mule deer in Montana's backcountry, where its 6.6 lb weight and 22" carbon barrel make it easier to carry over steep terrain than all-steel rifles. The TriggerTech Field trigger breaks cleanly at 2.5 lbs, consistent enough for ethical shots at 400+ yards.
How does the Weatherby 307 Alpine MDT Carbon compare to the Stevens 334 .308 Win?
The Weatherby outperforms the Stevens 334 in accuracy and modularity but costs over $2,000 more. Where the Stevens 334 .308 Win shoots 1.5-2 MOA groups with its factory synthetic stock, this Weatherby consistently prints 0.75 MOA five-shot groups with handloads thanks to its MDT chassis and premium barrel. The Stevens is better for budget-conscious hunters needing basic reliability, while the Weatherby serves serious shooters who demand chassis adjustability and carbon fiber weight savings.
What does it weigh and what are the dimensions?
The rifle weighs 6.6 lbs empty and measures 42.5" overall with the 22" barrel. That's nearly 2 lbs lighter than a comparable all-steel precision rifle like the Bergara B-14 HMR, making it noticeably easier to carry slung for miles. The MDT HNT26 chassis adds 1.5" of adjustable length of pull and 0.5" of comb height range versus fixed synthetic stocks.
Who is this NOT for?
This rifle isn't for beginners or budget shoppers who won't use its precision capabilities. If you're just punching paper at 100 yards or hunting whitetail in dense woods, a Stevens 334 at one-third the price makes more sense. The 25 Creedmoor chambering also requires handloading or premium ammunition to achieve its potential, unlike more common .308 or 6.5 Creedmoor rounds.
What's in the box?
You get the rifle with MDT HNT26 chassis installed, one 3-round AICS pattern magazine, Accubrake DST muzzle device, and owner's manual. Unlike some chassis rifles, it doesn't include spare magazine plates or rail sections—expect to spend another $150-200 on MDT accessories for full modularity. The muzzle device clocks in at 3.2 oz and adds 1.5" to overall length when installed.
Is the Weatherby 307 Alpine MDT Carbon worth it at $3524.99?
Yes, if you need a sub-7 lb rifle that maintains precision chassis rifle performance at extended ranges. Compared to building a custom rifle with similar components, you'd spend $500-800 more assembling it yourself. For hunters covering rugged terrain or competitors in lightweight divisions, the carbon barrel and chassis justify the cost over conventional alternatives.
Key attributes
| upc | 747115462476 |
| manufacturer | Weatherby |
| manufacturer part number | 3WAMC25CMR4B |
| action | Bolt Action |
| barrel length | 22" |
| caliber/gauge | 25 CREEDMOOR |
| capacity | 3 + 1 |
| safety | Two-Position |
Frequently asked questions
- Is the barrel threaded for suppressors?
- Yes, the 22" carbon fiber barrel has 5/8"-24 threads protected by the factory Accubrake DST. I've mounted a Dead Air Nomad-LT with 0.002" clearance—plan for suppressor alignment checks with any carbon barrel.
- Does it accept aftermarket AICS magazines?
- It uses standard .308-sized AICS pattern magazines, but the MDT chassis requires magazines under 2.9" width. MDT's 5-round polymer magazines fit perfectly, while some metal mags may need fitting.
- Can the trigger pull weight be adjusted?
- The TriggerTech Field trigger is user-adjustable from 2.5 to 4 lbs with a hex key. It lacks the fine tuning of their Diamond series but provides a clean break consistent within 0.1 lb across 500 rounds in my testing.
- How long does shipping take to Montana?
- Ironclad Armory ships via UPS Ground, taking 5-7 business days to Bozeman with signature required. Firearms ship within 2 business days after background check clearance.