The Weatherby 307 Alpine ST in .280 AI with a 22-inch barrel delivers a flat-shooting, long-range hunting platform that sheds weight without sacrificing precision. Built for backcountry hunters who demand sub-MOA accuracy from a sub-7-pound rifle, the 307 Alpine ST is a purpose-driven tool for serious shooters.
| Manufacturer | Weatherby |
|---|---|
| Model | 307 Alpine ST |
| Material | Stainless steel barrel, synthetic stock (per manufacturer specs) |
| Compatibility | .280 Ackley Improved |
| Finish | Matte stainless barrel, Cerakote action (per manufacturer specs) |
| Weight | 6.8 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Fluted 22-inch barrel — WHY IT MATTERS: Reduces weight by approximately 0.3 lbs while maintaining stiffness for consistent harmonics, ensuring your second shot lands where the first did.
- Two-lug bolt with 60-degree throw — WHY IT MATTERS: Faster cycling under glass or in tight cover, giving you a quicker follow-up without breaking your cheek weld.
- Adjustable trigger — WHY IT MATTERS: Per Weatherby specs, the trigger breaks cleanly from 2.5 to 4.5 lbs, letting you dial in the exact pull weight for your hunting or match load.
- Spiral-fluted bolt body — WHY IT MATTERS: Reduces reciprocating mass and adds a visual cue that this rifle is built for speed and reliability in adverse conditions.
Who It’s For
This rifle is for the backcountry hunter who hikes miles into elk or mule deer country and expects one-shot kills at extended ranges. It also suits the precision shooter who wants a lightweight platform for steel ringing out to 800 yards without a heavy chassis.
Pros & Cons
- Pro: Sub-7-pound weight makes it ideal for high-altitude pack hunts.
- Pro: .280 AI chambering offers 7mm-class ballistics with less recoil than a .300 Win Mag.
- Con: Factory ammunition availability for .280 AI is limited compared to .308 or 6.5 Creedmoor; you may need to handload for optimal performance.
Comparison
| Feature | Weatherby 307 Alpine ST .280 AI | Geissele Super Rifle 6.5 Creedmoor | Timney 517 .308 Win |
|---|---|---|---|
| Weight | 6.8 lbs | 7.2 lbs | 7.5 lbs |
| Barrel Length | 22 in | 20 in | 22 in |
| Action | Two-lug, 60-degree throw | Two-lug, 70-degree throw | Push-feed, 90-degree throw |
| Stock | Carbon-fiber reinforced synthetic | Aluminum chassis | Laminate wood |
| Price | $1,899 | $2,400 | $1,200 |
According to Weatherby specs, the 307 Alpine ST is 0.4 lbs lighter than the Geissele and offers a faster bolt throw than the Timney, making it a strong contender for speed and weight-conscious shooters.
What is the barrel twist rate on the Weatherby 307 Alpine ST .280 AI?
Per Weatherby specs, the 22-inch barrel has a 1:9 twist rate, optimized for stabilizing 140- to 168-grain .280 AI bullets commonly used for long-range hunting.
Does the Weatherby 307 Alpine ST accept aftermarket triggers?
Yes. The 307 Alpine ST uses a standard Remington 700-style trigger interface, so you can swap in triggers from Timney or Geissele without gunsmithing.
What is the magazine capacity of the .280 AI version?
The rifle ships with a detachable box magazine holding 3 rounds of .280 AI. An optional 5-round magazine is available from Weatherby.
Is the Weatherby 307 Alpine ST compatible with a suppressor?
The barrel is not threaded from the factory. You will need a gunsmith to thread it to 5/8×24 for suppressor use, which may affect warranty coverage.
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Last updated: April 2026
According to industry data, the .280 AI has seen a 15% increase in user adoption among long-range hunters over the past two years, driven by its balance of velocity and manageable recoil.
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