The Weatherby 307 Alpine MDT is a bolt-action rifle chambered in .338 Weatherby RPM, built on Weatherby's Model 307 action and paired with an MDT HNT26 carbon fiber chassis. It has a 24-inch fluted, threaded barrel finished in Graphite Black Cerakote and holds 3+1 rounds. The chassis includes a foldable buttstock that shortens the rifle by more than 9 inches when collapsed. 
 

Key Specifications 

• Brand: Weatherby 
• Model: 307 Alpine MDT 
• Caliber: .338 Weatherby RPM 
• Action: Bolt Action 
• Capacity: 3+1 
• Barrel Length: 24 inches 
• Finish: Graphite Black Cerakote 
• Stock: MDT HNT26 Carbon Fiber Chassis 
   

Detailed Features 

• The Model 307 action is a two-lug, fully cylindrical design compatible with a wide range of aftermarket triggers, stocks, and mounts. 
• The 24-inch fluted barrel is threaded at the muzzle for a brake or suppressor. 
• The MDT HNT26 carbon fiber chassis has a foldable buttstock that reduces overall length by more than 9 inches for compact storage or transport. 
• Graphite Black Cerakote finish covers the barrel, receiver, trigger guard, and bolt/bolt knob for consistent protection.

Owners of the 307 Alpine MDT tend to praise the Model 307 action for smooth, reliable cycling and say Weatherby's fit and finish feels a step up from typical hunting rifles. Some experienced shooters still want to tune the trigger before printing test groups, which is a common step on most factory rifles.

The MDT chassis draws mixed reactions. Hunters who want a folding stock for pack-and-go trips into rough terrain like the compact stored length, while some traditional hunters find a chassis rifle heavier and less classic in hand than a wood or standard synthetic stocked gun. The .338 Weatherby RPM cartridge is viewed as a serious option for large game at distance.

Because the Model 307 action and MDT chassis both have their own aftermarket ecosystems, owners like that triggers, rails, and stock components are easy to source and swap. The rifle sits at a premium price point, and some buyers weigh that cost against more traditional bolt guns before committing to the chassis setup.