Description
There's a reason the .280 Ackley Improved has become the darling of Western hunters, and the Weatherby 307 Alpine ST is one of the better ways to run it. You get ballistics that nip at the heels of the 7mm Rem Mag with noticeably less powder burned and less thump on your shoulder, all in a rifle that tips the scales at just 6.3 pounds before glass. For long days climbing after mule deer or elk, that math works out in your favor every single time.
The Model 307 Action Behind the Alpine ST
Weatherby built the 307 as a two-lug, fully cylindrical action designed from day one to play nice with the huge aftermarket of stocks, triggers, rails, and mounts already out there. That means down the road this rifle grows with you instead of boxing you in. Out of the box it wears a TriggerTech trigger that breaks clean and crisp, a two-position safety, and a smooth-running bolt that feeds from a 4+1 capacity setup. The receiver comes drilled and tapped, so mounting your optic is a quick job.
Alpine ST Barrel and Stock Details Worth Knowing
The spiral-fluted steel barrel measures 22 inches on its own and 24 inches with the factory Accubrake ST threaded on, which takes the .280 AI's already mild recoil down to something you can shoot all afternoon. Fluting sheds weight, stiffens the barrel, and helps it cool faster between strings. The Peak 44 Bastion stock is the star of the show, though. At 24 ounces, it's the lightest production vertical-grip carbon fiber stock made, with an ambidextrous palm swell, a proprietary 3D-Hex recoil pad, and dual sling studs up front for a bipod and sling together. Graphite black Cerakote covers the metalwork to shrug off weather, and the exposed carbon weave with grey and gold sponge accents looks sharp in the truck or on the mountain. Every one leaves the factory with Weatherby's three-shot sub-MOA guarantee using quality factory ammo, so the accuracy conversation is settled before you ever pull the trigger.
Key Specifications
- Manufacturer Part Number: 3WAST280AR4B
- UPC: 747115460441
- Caliber: .280 Ackley Improved
- Action: Model 307 two-lug bolt action
- Barrel Length: 22" (24" with Accubrake ST installed)
- Barrel: Spiral-fluted steel, threaded 1/2-28
- Twist Rate: 1:9
- Capacity: 4+1
- Trigger: TriggerTech adjustable
- Stock: Peak 44 Bastion carbon fiber, 24 oz
- Recoil Pad: 3D-Hex
- Finish: Graphite Black Cerakote
- Weight: 6.3 lbs
- Length of Pull: 13.25"
- Safety: Two-position
- Accuracy Guarantee: Sub-MOA, 3 shots at 100 yards with factory ammo
What’s Included
- Weatherby 307 Alpine ST rifle
- Detachable magazine
- Accubrake ST muzzle brake (factory installed)
- Owner's manual
Frequently Asked Questions
Is the barrel on the Weatherby 307 Alpine ST really 24 inches?
The 24 inch figure includes the factory Accubrake ST. The actual spiral-fluted barrel measures 22 inches, and the 2 inch brake brings the total to 24. If you swap the brake for a thread protector, you're carrying a true 22 inch barrel.
Will the Model 307 action accept aftermarket parts?
That's a big part of its appeal. Weatherby designed the 307 as a two-lug, fully cylindrical action specifically so it works with a wide range of aftermarket stocks, triggers, rails, and mounts already on the market. The receiver also comes drilled and tapped, so scope mounting is straightforward.
What is the .280 Ackley Improved good for?
The .280 AI is a favorite for deer, antelope, and elk, especially in open country where longer shots come into play. It delivers performance close to the 7mm Rem Mag while burning less powder and generating softer recoil. Paired with this rifle's 1:9 twist, it stabilizes the heavier, high-BC 7mm bullets that make the cartridge shine at distance.
Can I remove the Accubrake ST and run a suppressor on the Alpine ST?
Yes. The muzzle is threaded 1/2-28, so the brake spins off and any muzzle device with matching threads can go on in its place. Just keep in mind the brake does a lot of work taming recoil in a rifle this light, so expect a bit more push without it.




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