The Weatherby 307 Alpine MDT SB is a bolt-action rifle chambered in .308 Win, built on Weatherby's Model 307 action and paired with an MDT HNT26 chassis. The 16-inch barrel is fluted and threaded, finished in Graphite Black Cerakote, and the rifle carries a 3+1 capacity. Its carbon fiber chassis has a foldable buttstock, letting the rifle collapse to a noticeably shorter package for transport or storage. 
 

Key Specifications 

• Brand: Weatherby 
• Model: 307 Alpine MDT SB 
• Caliber: .308 Win 
• Action: Bolt Action 
• Capacity: 3+1 
• Barrel Length: 16" 
• Finish: Graphite Black Cerakote 
• Material: Steel 
   

Detailed Features 

• The 16-inch barrel is fluted and threaded, and finished in Graphite Black Cerakote along with the bolt, bolt knob, trigger guard, and receiver. 
• The MDT HNT26 chassis is built from carbon fiber and includes a foldable buttstock that shortens the rifle by more than 9 inches when collapsed. 
• An Arca rail forend gives direct compatibility with Arca-Swiss style accessories without an adapter. 
• The steel receiver is drilled and tapped for scope mounting. 
• Model 307's 2-lug, fully cylindrical action is built to work with the wider range of aftermarket stocks, triggers, and magazines already sized for that pattern.

Owners who move into a chassis rifle like the 307 Alpine MDT SB usually come from a traditional stocked bolt gun and comment on how different the ergonomics feel at first, in a good way once they adjust. The MDT chassis is generally well regarded for rigidity and for how consistently it returns to zero after being broken down for travel, and the Model 307 action itself gets credit for smooth cycling out of the box.

In the field, the folding buttstock is the feature people talk about most, since it lets the rifle pack down noticeably shorter for a truck case or a backpack. The tradeoff a few owners mention is that a chassis rifle carries more weight up front than a classic sporter stock, which changes the balance point compared to what they're used to.

On value, chassis systems like the MDT HNT26 cost more than a standard synthetic or wood stock, so buyers go in expecting a premium over an entry-level bolt rifle. The upside owners point to is the aftermarket depth: because the chassis and action are built to a common footprint, swapping triggers, rails, and magazines is straightforward compared to a proprietary factory stock.