Description
This is the rifle a lot of hunters have been piecing together out of custom parts for years, except Weatherby went ahead and built it for you. The 307 Alpine MDT Carbon starts with the Model 307, Weatherby's first new bolt action in over five decades. It is a two-lug, fully cylindrical action with tool-less bolt disassembly, an M16-style extractor, and broad compatibility with Remington 700 pattern triggers, stocks, and bottom metal. That means if you ever want to tinker down the road, the aftermarket is wide open. Out of the box, though, there is not much you would change.
The Heart of the Alpine MDT Carbon: The HNT26 Chassis
MDT built the HNT26 specifically for hunters, and at just 26 ounces it barely registers on the scale. The magnesium alloy core is wrapped with a carbon fiber forend, grip, and buttstock, and the stock folds to trim over 9 inches off the overall length. That is a big deal when you are strapping a rifle to a pack for a multi-day hunt. You also get an adjustable comb, adjustable length of pull, v-block bedding, AICS magazine compatibility, and a full-length ARCA rail on the forend for quick tripod mounting.
A 20-Inch Carbon Barrel That Earns Its Keep
The BSF barrel is a 416R stainless match blank sleeved in carbon fiber and loaded under tension, keeping weight down without giving up stiffness. In .308 Winchester, the 20-inch length is a smart pairing since the cartridge gives up very little velocity from a shorter tube, and the handier package pays off in a blind or on a steep sidehill. Weatherby's Accubrake DST tames recoil and self-times without a trip to the gunsmith, and the whole rifle is backed by a sub-MOA three-shot guarantee with factory or premium ammo.
Trigger and Optics-Ready Details on the 307 Alpine
A TriggerTech Field trigger breaks with zero creep and adjusts externally down to 2.5 pounds, and a PEAK 44 20 MOA Picatinny rail comes installed so you can mount glass and get to the range the day it arrives. Carbon Grey Cerakote on the receiver and brake rounds out a genuinely well-thought-out package.
Key Specifications
- Manufacturer: Weatherby
- Model: 307 Alpine MDT Carbon
- Manufacturer Part Number: 3WAMC308NR2B
- UPC: 747115456741
- Caliber: .308 Winchester / 7.62 NATO
- Action: Bolt Action (Model 307, 2-lug)
- Barrel: 20" BSF carbon fiber (416R stainless core)
- Muzzle Device: Weatherby Accubrake DST
- Capacity: 3+1, AICS-compatible detachable magazine
- Stock: MDT HNT26 folding chassis, 26 oz
- Trigger: TriggerTech Field, externally adjustable to 2.5 lbs
- Optics Rail: PEAK 44 20 MOA Picatinny (installed)
- Safety: Two-Position
- Receiver Finish: Carbon Grey Cerakote
- Accuracy Guarantee: Sub-MOA 3-shot group at 100 yards
What’s Included
- Weatherby 307 Alpine MDT Carbon rifle
- One AICS-pattern detachable magazine
- Accubrake DST muzzle brake (installed)
- PEAK 44 20 MOA Picatinny rail (installed)
- Owner's manual
Frequently Asked Questions
Does the Weatherby 307 Alpine MDT Carbon come with an accuracy guarantee?
Yes. All Model 307 rifles are guaranteed to shoot a three-shot group of .99 inch or less at 100 yards from a cold barrel when using Weatherby factory or premium ammunition. The guarantee applies to the original purchaser within two years of a verified purchase.
Is the 307 action compatible with Remington 700 parts?
It is, and that is one of the big draws of the Model 307 platform. The action accepts most 700-pattern triggers, stocks, bottom metal, and mounts, making it the most open platform Weatherby offers. That said, with the HNT26 chassis and TriggerTech trigger already on board, most owners leave it as it comes.
How compact is the Alpine MDT Carbon with the stock folded?
Folding the HNT26 buttstock trims more than 9 inches off the rifle's overall length, which makes it easy to strap to a pack or slide into a shorter case. Combined with the 20-inch barrel, this is one of the more packable full-power bolt guns on the market.
Is a 20-inch barrel long enough for .308 Winchester?
For most hunting and field work, absolutely. The .308 was designed around shorter barrels and loses relatively little velocity at 20 inches compared to a 24-inch tube. What you gain is a lighter, better balanced rifle that handles well in tight cover and on a tripod, and the Accubrake DST keeps recoil pleasant.



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