Description
Weatherby built the Model 307 to be the most open platform in their lineup, a two-lug, fully cylindrical action that plays nice with the huge world of 700-pattern stocks, triggers, rails, and magazines. The Alpine MDT Carbon takes that action and pairs it with MDT's HNT26, the first chassis MDT designed specifically for hunters rather than adapted from the competition world. The result is a 300 Weatherby Magnum that folds down more than nine inches shorter for the pack ride in, then locks up solid when it counts.
Why the 307 Alpine MDT Carbon Carries So Well
The HNT26 chassis weighs just 26 ounces thanks to a magnesium alloy core wearing carbon fiber on the forend, grip, and buttstock. You still get real chassis benefits like v-block bedding, adjustable length of pull and comb height, and AICS magazine compatibility, plus an integrated ARCA rail on the forend for quick tripod work. Up front, BSF's 24 inch carbon fiber barrel is built differently than most. Instead of wrapping carbon directly on steel, BSF sleeves a 416R stainless match barrel and loads the carbon under tension, leaving air gaps around roughly 95 percent of the blank so heat escapes faster and the barrel stays rigid as it warms.
Shooting the Alpine MDT Carbon in 300 Weatherby Magnum
A fast .30 caliber magnum in a lightweight rifle needs recoil management, and the Accubrake DST delivers. It is a side-ported, self-timing design that tames muzzle rise without blasting dust back at you from a prone position, and it threads on standard 5/8×24 so suppressor owners have options too. The externally adjustable TriggerTech Field trigger breaks clean with zero creep and can be dialed down to 2.5 pounds, and the three-piece bolt strips completely without tools for easy field cleaning. Weatherby backs every Model 307 with a sub-MOA guarantee: a three-shot group of .99 inch or better at 100 yards from a cold barrel with factory or premium ammo. For elk, moose, or long cross-canyon shots on mule deer, this is a serious piece of mountain equipment.
Key Specifications
- Manufacturer: Weatherby
- Model: 307 Alpine MDT Carbon
- MPN: 3WAMC300WR6B
- UPC: 747115456734
- Caliber: .300 Weatherby Magnum
- Action: Bolt Action (2-Lug Model 307)
- Barrel: 24" BSF Carbon Fiber, Spiral Fluted, Threaded 5/8×24
- Muzzle Device: Weatherby Accubrake DST
- Capacity: 3+1 (AICS Magazine Compatible)
- Trigger: TriggerTech Field, Adjustable to 2.5 lbs
- Stock: MDT HNT26 Folding Chassis, Adjustable LOP and Comb
- Optics Mount: PEAK 44 Picatinny Rail (No Iron Sights)
- Safety: Two-Position
- Overall Length: 49.5" (Folds Over 9" Shorter)
- Accuracy Guarantee: Sub-MOA, 3-Shot Group at 100 Yards
- Country of Manufacture: USA, Sheridan, WY
What’s Included
- Weatherby 307 Alpine MDT Carbon rifle
- One AICS-pattern detachable magazine
- PEAK 44 Picatinny rail (factory installed)
- Accubrake DST muzzle brake (factory installed)
- Owner's manual
Frequently Asked Questions
Does the Weatherby 307 Alpine MDT Carbon come with a scope or sights?
No, it ships without iron sights or an optic. It does come with a PEAK 44 Picatinny rail already installed on the receiver, so you can mount your scope right out of the box. Given the reach of the 300 Weatherby Magnum, a quality magnified optic is the way to go.
Is the 307 action compatible with Remington 700 aftermarket parts?
Largely, yes. The Model 307 is a two-lug, fully cylindrical action designed to work with most 700-pattern stocks, triggers, rails, and bottom metal, making it the most open platform Weatherby offers. That gives you plenty of room to customize down the road, though this rifle is already wearing premium components from the factory.
How bad is the recoil on a lightweight 300 Weatherby Magnum like this?
The 300 Weatherby is a stout cartridge, but the Accubrake DST does a lot of heavy lifting here. It is a side-ported, self-timing brake that ranks among the more effective designs out there, and the side porting keeps dust from kicking up when shooting prone. With the brake on, recoil feels far milder than the caliber suggests, though good hearing protection is a must.
What makes the BSF carbon barrel on the Alpine MDT Carbon different from other carbon fiber barrels?
Most carbon barrels are wrapped directly onto the steel, which can trap heat. BSF instead sleeves a 416R stainless match barrel with carbon fiber loaded under tension, so about 95 percent of the carbon never touches the steel. Those air gaps let the barrel cool faster and keep it rigid as it heats up, which helps it hold accuracy through a string of shots.





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