The Weatherby 307 Alpine ST is a 240 Weatherby Mag bolt-action rifle with a 24-inch Graphite Black Cerakote spiral fluted threaded barrel and a 5+1 capacity. It has a steel drilled and tapped receiver and a carbon fiber stock with gray, light gray, and gold sponge accents. The barrel is spiral fluted and threaded at the muzzle. 
 

Key Specifications 

• Brand: Weatherby 
• Model: 307 Alpine ST 
• Caliber: 240 Weatherby Mag 
• Action: Bolt Action 
• Capacity: 5+1 
• Barrel Length: 24 inches 
• Color/Finish: Graphite Black Cerakote 
   

Detailed Features 

• 24-inch Graphite Black Cerakote spiral fluted threaded barrel 
• Steel receiver, drilled and tapped 
• Carbon fiber stock with gray, light gray, and gold sponge accents 
• Threaded muzzle for muzzle device or suppressor attachment 
• Spiral fluting reduces barrel weight

Owners of the Weatherby 307 Alpine ST in 240 Weatherby Mag appreciate the proprietary chambering for its flat trajectory, and most say the 24-inch spiral fluted barrel keeps the rifle lively enough for mountain hunting without feeling unwieldy. The Graphite Black Cerakote finish holds up well in wet conditions, which comes up often in field reports.

The carbon fiber stock with the sponge accent pattern is distinctive, and that draws reactions in both directions. Some owners love the look; others would prefer something plainer. The drilled and tapped receiver makes optics mounting straightforward, and that practical detail gets consistent positive mentions.

The 240 Weatherby Mag chambering is a recurring topic in owner discussions, mostly around ammunition sourcing. It is not as widely stocked as more common cartridges, and some buyers mention checking supply before committing. Those already in the Weatherby ecosystem are generally comfortable with that trade-off; new buyers sometimes underestimate it.