Description
There are plenty of chassis rifles out there, but not many pack down like this one. The 307 Alpine MDT SB pairs Weatherby's Model 307 action with MDT's HNT26 folding chassis, and when you collapse that buttstock the rifle loses over 9 inches of length. Add the 16-inch fluted barrel in .308 Win and you have a legitimately compact bolt gun that rides in a pack or behind a truck seat without complaint. The attached radial brake spreads gas evenly and knocks felt recoil down by as much as 53 percent, so this short, light rifle stays surprisingly pleasant to run all day.
What Makes the Model 307 Action Worth a Look
The 307 is Weatherby's most open platform yet. It's a two-lug, fully cylindrical action that plays nice with a huge range of aftermarket stocks, triggers, rails, and magazines, including most 700-pattern parts. The three-piece bolt strips down without tools, uses an M16-style extractor with a plunger ejector, and cycles smooth right out of the box. A TriggerTech Field trigger comes standard with a zero-creep break that adjusts externally down to 2.5 pounds, and a Peak 44 Picatinny rail is already mounted for your optic. Every one of these rifles is built in Sheridan, Wyoming, and backed by Weatherby's sub-MOA guarantee with factory or premium ammo.
Living With the Alpine MDT SB in the Field
The HNT26 chassis is MDT's first purpose-built hunting chassis and it weighs just 26 ounces, thanks to a magnesium alloy core with carbon fiber forend, grip, and buttstock. You get v-block bedding, an adjustable comb and length of pull, AICS magazine compatibility, and an integrated ARCA rail on the forend for fast tripod work. Feeding comes from a detachable 3-round AICS-pattern magazine for 3+1 capacity, and the metalwork wears Graphite Black Cerakote to shrug off weather and hard miles. For hunters running suppressors or anyone who wants precision-rifle features in a package this portable, the Alpine MDT SB is a hard combination to beat.
Key Specifications
- Manufacturer: Weatherby
- Model: Model 307 Alpine MDT SB
- Manufacturer Part Number: 3WAMH308NR18B
- UPC: 747115462957
- Caliber: .308 Winchester / 7.62 NATO
- Action: Bolt Action, 2-Lug Fully Cylindrical
- Barrel Length: 16 inches, fluted
- Muzzle Device: Radial brake, attached
- Capacity: 3+1
- Magazine: AICS-pattern detachable
- Chassis: MDT HNT26 folding, magnesium alloy and carbon fiber
- Trigger: TriggerTech Field, externally adjustable
- Safety: Two-Position
- Finish: Graphite Black Cerakote
- Accuracy Guarantee: Sub-MOA (3-shot group of .99 inch or less at 100 yards)
- Made In: Sheridan, Wyoming, USA
What’s Included
- Weatherby Model 307 Alpine MDT SB rifle
- One 3-round AICS-pattern detachable magazine
- Radial muzzle brake (factory installed)
- Peak 44 Picatinny rail (factory installed)
- Owner's manual
Frequently Asked Questions
Will the 16-inch barrel hurt .308 performance for hunting?
You give up some velocity compared to a 20 or 24-inch tube, but .308 Win is one of the most forgiving cartridges for short barrels. Inside typical hunting distances you still have plenty of energy for deer, hogs, and black bear. The trade-off buys you a rifle that handles fast in timber and stays a manageable length even with a suppressor attached.
Is the Weatherby 307 Alpine MDT SB suppressor ready?
Yes. The barrel is threaded and ships with the brake attached, so you can spin the brake off and mount your can directly. The short 16-inch barrel is a big part of the appeal here, since the rifle stays close to a standard overall length even with a suppressor hanging off the end.
What aftermarket parts work with the Model 307 action?
This is the most open platform Weatherby has ever built. The 307 accepts most aftermarket 700-pattern components, so a wide world of triggers, rails, and mounts are on the table. The chassis also feeds from common AICS-pattern magazines, which are affordable and easy to find in higher capacities.
How compact does the Alpine MDT SB get with the stock folded?
Folding the MDT HNT26 buttstock trims more than 9 inches off the overall length. Combined with the 16-inch barrel, that makes this one of the most packable bolt guns in Weatherby's lineup, easy to strap to a pack frame or slide into a compact case for backcountry trips.



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