Description
The Weatherby 307 Alpine ST Rifle 7MM Backcountry 20 in. is a lightweight, hard-hitting bolt gun built for hunters who think a mile is a short walk. At just 6.1 pounds with a 20-inch spiral-fluted barrel, this rifle is designed to ride on your pack strap all day and deliver sub-MOA accuracy when you glass up a buck at last light. The Graphite Black Cerakote finish shrugs off rain and snow, while the Peak 44 Bastion carbon-fiber stock with green and tan sponge-pattern accents keeps weight down without sacrificing a solid cheek weld. Chambered in 7mm Backcountry, it pairs a 1:8-inch twist rate with a threaded 5/8×24 muzzle for a suppressor, giving you reach and stealth in one tidy package.
| Manufacturer | Weatherby |
|---|---|
| Model | 307 Alpine ST |
| Material | Carbon-fiber stock, steel barrel |
| Compatibility | 7mm Backcountry ammunition |
| Finish | Graphite Black Cerakote |
| Weight | 6.1 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Spiral-Fluted Barrel — WHY IT MATTERS: Reduces weight and dissipates heat faster, so you can take follow-up shots without the barrel walking off target.
- Peak 44 Bastion Carbon-Fiber Stock — WHY IT MATTERS: This stock soaks up recoil and keeps the rifle balanced for offhand shots on steep mountain slopes.
- Threaded Muzzle (5/8×24) — WHY IT MATTERS: Lets you screw on a suppressor or brake without a gunsmith, cutting down noise and recoil for long days in the field.
- 1:8-Inch Twist Rate — WHY IT MATTERS: Stabilizes heavy 7mm Backcountry bullets out to 600 yards, giving you the energy to drop elk at extended range.
- Graphite Black Cerakote Finish — WHY IT MATTERS: Protects against rust and scratches when you’re crawling through blowdowns or glassing in a drizzle.
Who It’s For
This rifle is for the backcountry hunter who covers 10 miles before first light and needs a gun that won’t wear him down. It’s also for the precision shooter who wants a lightweight platform that still holds a tight group at 300 yards. If you hunt elk, mule deer, or sheep in the Rockies, the 307 Alpine ST is your partner for those tough, vertical days.
Pros & Cons
- Pro: Weight — at 6.1 pounds, you’ll forget it’s on your back until you need it.
- Pro: Accuracy — the spiral-fluted barrel and 1:8 twist deliver consistent sub-MOA groups with factory ammo.
- Con: Magazine capacity — 4+1 rounds means you’ll want to make every shot count, especially on multiple-target scenarios.
Comparison: Weatherby 307 Alpine ST vs. Competitors
| Feature | Weatherby 307 Alpine ST | Zev Technologies OZ9 | Geissele Automatics Super Duty |
|---|---|---|---|
| Weight | 6.1 lbs | 8.2 lbs (pistol) | 7.5 lbs (rifle) |
| Barrel Length | 20 in. | 5.2 in. | 16 in. |
| Stock/Frame | Carbon-fiber | Polymer | Aluminum |
| Finish | Cerakote | Black Nitride | Hardcoat Anodized |
| Best Use | Backcountry hunting | Competition/EDC | Duty/Home Defense |
FAQ
What is the effective range of the Weatherby 307 Alpine ST in 7mm Backcountry?
With the 1:8-inch twist and a 20-inch barrel, you can expect reliable accuracy out to 600 yards on big game. The 7mm Backcountry cartridge retains energy well past 400 yards, making it a solid choice for mountain hunting.
Can I mount a suppressor on this rifle?
Yes. The muzzle is threaded 5/8×24, which fits most .30-caliber suppressors. Just make sure your can is rated for 7mm Backcountry pressures.
Is the stock adjustable for length of pull?
The Peak 44 Bastion stock does not have an adjustable length of pull. It’s fixed to keep weight low, but you can add a slip-on pad if needed.
What optics does this rifle accept?
It comes with a Picatinny rail, so you can mount any standard scope rings or one-piece base. I’d recommend a low-power variable like a 2-10x for backcountry work.
How does the 7mm Backcountry compare to 7mm Rem Mag?
The 7mm Backcountry offers similar ballistics in a shorter action, which keeps the rifle lighter and more maneuverable. You lose a bit of velocity with the 20-inch barrel, but gain portability.
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Looking for more options? Check out our Bolt Action Rifles or Hunting Rifles.
Last updated: April 2026
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