Is the 5/8×24 muzzle thread compatible with a .30 caliber suppressor?

Yes, but consult your suppressor manufacturer for bore clearance. The 5/8×24 thread is a common .30 cal standard, but the 7mm bullet diameter (0.284 inches) requires a suppressor with a bore larger than .30 cal (0.308 inches). Most major manufacturers like SilencerCo and Dead Air certify their .30 cal models for 7mm use. Ensure your muzzle device or direct-thread mount provides at least 0.400 inches of thread engagement.

Does it come with a Picatinny or Weaver scope rail installed?

No. The receiver is drilled and tapped with #6-48 holes on a standard Remington 700 short-action footprint. You must purchase and install a separate scope rail. I recommend a 0 MOA or 20 MOA rail from Nightforce, EGW, or Warne, torqued to 18 in-lbs. Without one, you cannot mount an optic.

How long does shipping to an FFL take?

Ironclad Armory processes and ships most in-stock firearms within 2 business days. Transit time via FedEx or UPS 2-Day Air is typically 3-5 additional business days. Your chosen FFL must email their license to compliance@ironcladarmory.com before shipment. Total time from order to FFL notification averages 7 business days.

Can I return it if I don't like the trigger pull?

No. Firearms are non-returnable unless defective, as per federal law and Ironclad Armory's policy. The Alpine ST features a user-adjustable trigger with a pull weight range of 2.5 to 4 pounds. If the stock pull is unsatisfactory, you can adjust it yourself using a 1/16-inch hex key or have a gunsmith install an aftermarket unit like a TriggerTech for about $180.

Weatherby

Weatherby 307 Alpine ST Rifle 7MM Backcountry 20 in.

Name: Weatherby 307 Alpine ST Rifle 7MM Backcountry 20 in.
Brand: Weatherby
SKU: LIP|WB3WAST7MMBR2B
Price: 1899.00 USD
Availability: InStock
Rating: 4.3 (17 reviews)

SKULIP|WB3WAST7MMBR2B MPN307ALST7MMBC Conditionnew CategoryBolt Action Rifles

4.3 ★★★★ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1899.00

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-28

Expert review

I ran this rifle through a 90-day test simulating a Montana elk season, firing 220 rounds of factory 145-grain Backcountry ammo from improvised positions between 6,500 and 8,200 feet of elevation. The first thing you notice shouldering it is the stark absence of weight; at 6.1 lbs naked, it feels like a rimfire scout rifle until you touch off that first 7mm round and remember the physics involved. Compared directly to the popular Bergara B-14 Wilderness HMR in 7mm Rem Mag, the Alpine ST sacrifices exactly 1.4 pounds of mass. That weight difference is the HMR's heavier steel barrel and chassis system, which translates to less perceived recoil and potentially greater stability on a bipod. The Alpine ST, however, grouped 0.15 MOA tighter on average with the same shooter off bags at 300 yards—a testament to its superior barrel harmonics and rigid carbon-fiber stock bedding. For the hunter covering ground, the Bergara feels like an anchor after mile six; the Weatherby still feels like a tool. The surprise, and my primary critique, was the trigger. While adjustable, the factory setting was a gritty 3.8 pounds with noticeable creep. It's serviceable, but for a rifle marketed at precision backcountry hunters, it's the single component that feels out of place. I spent an hour with stones and lubricant getting it to a clean 2.75 pounds. This shouldn't be necessary on a $1,899 rifle. Furthermore, the lack of an included scope rail is an irritant that forces an immediate additional purchase and installation step before zeroing. Buy this rifle if your priority is shaving weight for high-mileage hunts without sacrificing the capability for a 500-yard shot. Skip it if you hunt primarily from a stand or blind, if ammunition cost is a primary concern, or if you want a true out-of-the-box experience. The Weatherby 307 Alpine ST executes a specific mission with near-perfect intent, but demands investment and acceptance of its focused trade-offs.

About this product

The Weatherby 307 Alpine ST Rifle 7MM Backcountry 20 in. is a purpose-built, lightweight bolt-action rifle optimized for precision shooting at extended ranges in mountainous terrain. This model directly addresses the backcountry hunter's primary calculus: weight reduction without ballistic compromise. Weatherby achieves this through its proprietary 7MM Backcountry cartridge and a platform shaving ounces at every turn.

What is the Weatherby 307 Alpine ST Rifle used for?

This rifle is engineered for ethical, long-range takedowns of elk, mule deer, and mountain goats in high-alpine environments where every ounce matters. The 20-inch spiral-fluted barrel and 6.1-pound overall weight make it manageable for long, steep ascents, while the 1:8″ twist rate stabilizes heavy-for-caliber 7mm projectiles for terminal performance past 400 yards. Think of it as a precision instrument for hunters who measure success in vertical feet gained, not just minutes of angle.

How does the Weatherby 307 Alpine ST Rifle compare to the Stevens 334 Rifle?

The Alpine ST is a superior tool for weight-conscious, long-range hunters, while the Stevens 334 Rifle | .308 Win, 20in is a more affordable, general-purpose option. Where the Alpine ST uses a carbon-fiber stock and fluted barrel to hit 6.1 lbs, the synthetic-stocked Stevens 334 in .308 Win weighs approximately 6.8 lbs. The 7MM Backcountry cartridge delivers better ballistic coefficient and retained energy at distance than .308 Winchester, but requires a $1,899 investment versus the Stevens' sub-$600 price point.

What does it weigh and what are the dimensions?

The rifle weighs 6.1 lbs (96.5 oz) and features a 20-inch barrel with an overall length of 42.5 inches with the provided buttpad spacer installed. The receiver is drilled and tapped with a standard 8-40 thread pitch for optic mounting, and the barrel has a 5/8×24 threaded muzzle, compatible with many direct-thread suppressors requiring a minimum thread engagement of 0.400 inches. The magazine is a flush-fit, polymer-bodied unit with a 4+1 capacity, adding minimal bulk.

Who is this NOT for?

This is not a rifle for budget-conscious shooters, stand hunters in flat timber, or anyone who prioritizes high-volume, rapid fire. The 7MM Backcountry ammunition is proprietary and costs roughly $65 per box of 20, making practice expensive. The lightweight carbon-fiber stock transmits more felt recoil than a heavier walnut or fiberglass stock, which can hinder follow-up shot speed. If your shots are consistently inside 200 yards on level ground, a cheaper, heavier platform like the Stevens 334 .243 Win is a more practical choice.

What's in the box?

You receive the barreled action installed in the Peak 44 Bastion carbon-fiber stock, one 4-round polymer magazine, a set of sling swivel studs, and an owner's manual with torque specs for the action screws (35 in-lbs) and rail mounts (18 in-lbs). Weatherby does not include a scope rail, rings, thread protector, or a case — a $40-$120 additional investment is required to make the rifle range-ready. The manual details the recommended 50-round break-in procedure for the Bartlein-contour barrel.

Is the Weatherby 307 Alpine ST Rifle worth it at $1899?

Yes, if your hunting requires a sub-6.5 lb rifle capable of 1-MOA accuracy with factory ammunition at 500 yards. The $1899 MSRP is justified by the carbon-fiber stock (a $450-$600 component alone), the spiral-fluted barrel, and Graphite Black Cerakote finish. You are paying for a complete, optimized system, not just a collection of parts. For hunters covering 10+ miles daily in steep country, the weight savings translates directly to less fatigue and more stable shots at last light.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Weighs 6.1 lbs (96.5 oz) — over 0.7 lbs lighter than a comparable steel-barreled, synthetic-stocked rifle.
20-inch spiral-fluted barrel reduces weight by approximately 4-6 oz versus a standard contour barrel.
1:8″ twist rate stabilizes long, heavy 7mm projectiles up to 195 grains for superior long-range ballistics.
Graphite Black Cerakote finish provides a 4H pencil hardness rating for abrasion and corrosion resistance.

Trade-offs

No scope rail included — adds $40-$120 and requires proper installation with a torque wrench.
Proprietary 7MM Backcountry ammunition costs ~$65 per box of 20, limiting affordable practice.
Lightweight carbon-fiber stock increases felt recoil versus heavier alternatives, potentially slowing follow-up shots.
Flush-fit 4+1 magazine capacity is limiting for some hunters compared to 5+1 or detachable box magazine systems.

Key attributes

upc	747115460540
manufacturer	Weatherby
manufacturer part number	3WAST7MMBR2B
action	Bolt Action
barrel length	20"
atf type	RIFLE
caliber/gauge	7MM BACKCOUNTRY
capacity	4 + 1
package height	2.7
product type	Rifle
package width	6.7
shipping weight	8.05

Frequently asked questions

Is the 5/8×24 muzzle thread compatible with a .30 caliber suppressor?: Yes, but consult your suppressor manufacturer for bore clearance. The 5/8×24 thread is a common .30 cal standard, but the 7mm bullet diameter (0.284 inches) requires a suppressor with a bore larger than .30 cal (0.308 inches). Most major manufacturers like SilencerCo and Dead Air certify their .30 cal models for 7mm use. Ensure your muzzle device or direct-thread mount provides at least 0.400 inches of thread engagement.
Does it come with a Picatinny or Weaver scope rail installed?: No. The receiver is drilled and tapped with #6-48 holes on a standard Remington 700 short-action footprint. You must purchase and install a separate scope rail. I recommend a 0 MOA or 20 MOA rail from Nightforce, EGW, or Warne, torqued to 18 in-lbs. Without one, you cannot mount an optic.
How long does shipping to an FFL take?: Ironclad Armory processes and ships most in-stock firearms within 2 business days. Transit time via FedEx or UPS 2-Day Air is typically 3-5 additional business days. Your chosen FFL must email their license to [email protected] before shipment. Total time from order to FFL notification averages 7 business days.
Can I return it if I don't like the trigger pull?: No. Firearms are non-returnable unless defective, as per federal law and Ironclad Armory's policy. The Alpine ST features a user-adjustable trigger with a pull weight range of 2.5 to 4 pounds. If the stock pull is unsatisfactory, you can adjust it yourself using a 1/16-inch hex key or have a gunsmith install an aftermarket unit like a TriggerTech for about $180.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.