Description
There was a time when you had to buy a custom build to get a folding chassis rifle that weighed less than your pack. Weatherby changed that when they teamed up with MDT on the 307 Alpine MDT. This one pairs their Model 307 action, the company's first new bolt action design in over five decades, with MDT's HNT26 chassis, a magnesium and carbon fiber setup that was purpose-built for hunters rather than adapted from a range gun. Fold the buttstock and you cut more than nine inches off the overall length, which makes a real difference strapping it to a pack or sliding it into a shorter case.
A .257 Weatherby Built for Distance
The .257 Weatherby Magnum is one of the flattest-shooting big game cartridges ever loaded, and the long spiral fluted barrel here is there to wring every bit of velocity out of it. The fluting sheds weight and helps the barrel cool between shots, and the included Accubrake takes a serious bite out of felt recoil while leaving the muzzle threaded for other options. Feeding comes from a detachable 3-round AICS pattern magazine, and a PEAK 44 Picatinny rail is already on top waiting for your glass.
What the Model 307 Action Brings to the Table
The 307 is a two-lug, fully cylindrical action with a three-piece bolt that strips down without tools, plus an M16 style extractor for reliable pull and ejection. Because it plays nice with common aftermarket parts, this is the most open platform Weatherby has ever offered. The TriggerTech Field trigger breaks clean with zero creep and adjusts externally down to 2.5 pounds.
Alpine MDT Fit and Accuracy You Can Count On
Adjustable length of pull, an adjustable cheek riser, V-block bedding, and an integrated ARCA rail on the forend for tripod work mean you can set this rifle up exactly how you shoot. Every Model 307 carries Weatherby's sub-MOA guarantee, and the whole thing wears Graphite Black Cerakote and is built at their Sheridan, Wyoming headquarters.
Key Specifications
- Manufacturer Part Number: 3WAMH257WR8B
- UPC: 747115451807
- Caliber: .257 Weatherby Magnum
- Action: Model 307 two-lug bolt action
- Barrel: 26" spiral fluted, threaded (28" overall with Accubrake installed)
- Muzzle Device: Weatherby Accubrake
- Capacity: 3+1, AICS pattern detachable magazine
- Chassis: MDT HNT26 magnesium/carbon fiber, folding buttstock
- Trigger: TriggerTech Field, externally adjustable down to 2.5 lbs
- Overall Length: 48.25" (folds over 9" shorter for transport)
- Optics Mounting: PEAK 44 Picatinny rail included, no iron sights
- Finish: Graphite Black Cerakote
- Accuracy: Weatherby sub-MOA guarantee
- Made In: Sheridan, Wyoming, USA
What’s Included
- Weatherby 307 Alpine MDT rifle
- One 3-round AICS pattern magazine
- Accubrake muzzle brake (installed)
- PEAK 44 Picatinny rail (installed)
- Owner's manual
Frequently Asked Questions
How accurate is the Weatherby 307 Alpine MDT?
Every Model 307 rifle is backed by Weatherby's sub-MOA guarantee, meaning it will print a 3-shot group of .99 inches or less at 100 yards from a cold barrel with Weatherby factory or premium ammo. Between the spiral fluted barrel, V-block bedding in the chassis, and the TriggerTech trigger, this rifle has the ingredients to hold up its end at long range.
Does the folding stock on the 307 Alpine MDT make it easier to pack?
It does, and that's one of the biggest draws of the HNT26 chassis. Folding the buttstock trims more than nine inches off the overall length, which helps a lot on a rifle running a long magnum-length barrel. It packs down nicely for a scabbard, pack strap, or shorter travel case.
Can I adjust the fit and trigger on this rifle?
Yes on both counts. The MDT HNT26 chassis has an adjustable length of pull and adjustable cheek riser so you can dial in a consistent cheek weld behind your scope. The TriggerTech Field trigger is externally adjustable down to 2.5 pounds and breaks with zero creep.
Does the Weatherby 307 Alpine MDT come with a scope or sights?
No, it ships without sights or optics, but it comes with a PEAK 44 Picatinny rail already mounted, so you just need rings and a scope. Given how flat the .257 Weatherby Magnum shoots, it pairs well with quality glass that has some magnification range for longer pokes.



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