Weatherby 307 Alpine MDT Carbon 22 Creedmoor 18-inch Rifle
Pros & cons
What works
- Weighs 6.4 lbs — 2 lbs lighter than a comparable steel-barreled chassis rifle like the Bergara B-14 HMR.
- Modular HNT26 MDT chassis accepts standard AR-15 pistol grips and has M-LOK slots at 3, 6, and 9 o'clock positions.
- 1:8-inch twist barrel stabilizes long 75-90 grain ELD match bullets for optimal .22 Creedmoor ballistic coefficient.
Trade-offs
- .22 Creedmoor factory ammunition costs $2.50+/round and has limited availability — this is a hand-loader's platform.
- The 18-inch barrel sacrifices approximately 150-200 fps muzzle velocity compared to a standard 24-inch .22 Creedmoor barrel.
- No iron sights included — requires immediate optics purchase, adding $800+ to the total system cost.
Video review
Expert review
Specs at a glance
About this product
The Weatherby 307 Alpine MDT Carbon 22 Creedmoor 18-inch Rifle is a purpose-built bolt-action rifle that delivers precision performance with a 6.4 lb carbon-fiber chassis system ready for the field or the bench. This isn't a generic hunting rifle; it's a mechanical statement built on a steel receiver, integrated Picatinny rail, and chambered for the high-velocity .22 Creedmoor cartridge, demanding expert hand-loading to achieve its ballistic potential.
What is the Weatherby 307 Alpine MDT Carbon 22 Creedmoor 18-inch Rifle used for?
The Weatherby 307 Alpine is used for long-range varminting, precision rimfire-like training at 400+ yards, and as a lightweight chassis-system rifle where Title II compliance for a short-barreled rifle (SBR) isn't desired. It fills the niche between a heavy-barreled .223 Remington bench gun and a dedicated .22 LR trainer, offering external ballistics that require meticulous load development and a specific understanding of the cartridge's barrel life of approximately 2,500-3,000 rounds before you'll start chasing groups.
How does the Weatherby 307 Alpine compare to the Stevens 334 Rifle | .308 Win, 20in Matte Black Synthetic?
The Weatherby 307 Alpine is a specialized, modular chassis rifle for precision small-bore work, while the Stevens 334 is a budget-friendly, traditional-stocked rifle for general-purpose hunting and plinking. The Weatherby's MDT HNT26 chassis and TriggerTech Field trigger provide a superior foundation for repeatable accuracy and accessory mounting, but it costs nearly three times the price of the the Stevens 334 Rifle | .308 Win, 20in Matte Black Synthetic and demands expensive, specialized ammunition.
What does it weigh and what are the dimensions?
The rifle weighs 6.40 lbs (2.9 kg) and has a fully collapsed length of 32.25 inches (819 mm), extending to 44.25 inches (1.12 m) with the stock fully deployed. The 18-inch threaded barrel features a 1:8-inch twist rate, optimized for stabilizing heavier 70+ grain VLD bullets, and the 3+1 magazine capacity is a direct function of the cartridge's overall length and the MDT AICS-pattern magazine it accepts.
Who is this NOT for?
This rifle is not for a first-time bolt-action buyer, someone unwilling to hand-load ammunition, or a hunter who needs immediate, off-the-shelf ammo availability. The .22 Creedmoor is a hand-loader's cartridge with limited factory offerings; you'll be spending $2.50+ per round for match ammo or investing in a full reloading setup, making the Stevens 555 Sporting 20 Gauge review a far more practical and affordable choice for casual clay shooting.
What's in the box?
The rifle ships with the barreled action mounted in the HNT26 MDT chassis, one 3-round AICS-pattern magazine, the factory-installed Accubrake DST muzzle device, and the required owner's manual and lock. Weatherby does not include a scope mount, bipod, or cleaning kit; your first $3,449 purchase is the starting point for another $1,500+ in optics and mounting hardware to realize the rifle's capability.
Is the Weatherby 307 Alpine worth it at $3449?
At $3,449, the Weatherby 307 Alpine is worth it only if you require a lightweight, modular chassis rifle in a niche long-range small-bore cartridge and understand the total system cost. You are paying for the MDT chassis system, carbon-wrapped barrel, and the R&D behind the .22 Creedmoor chambering—components that, if purchased separately and custom-fitted, would exceed this price. For general hunting under 300 yards, a standard .243 Winchester or 6.5 Creedmoor rifle at half the price is the smarter financial and logistical choice.
Key attributes
| upc | 747115462322 |
| manufacturer | Weatherby |
| manufacturer part number | 3WAMC22CMR0B |
| action | Bolt Action |
| barrel length | 18" |
| caliber/gauge | .22 Creedmoor |
| capacity | 3 + 1 |
| safety | Two-Position |
Frequently asked questions
- Is the barrel threaded for a suppressor?
- Yes, the 18-inch carbon-wrapped barrel comes factory-threaded (specific thread pitch is 5/8x24 per Weatherby spec sheets). This allows direct attachment of a muzzle brake, compensator, or suppressor, provided you comply with all local laws and possess the appropriate NFA tax stamp for the suppressor if required.
- Does it work with standard scope mounts?
- The receiver features an integrated 20 MOA Picatinny rail machined directly into the steel. This accepts any standard Picatinny/STANAG 4694 scope rings or mounts, eliminating the need for separate base screws and ensuring a monolithic, repeatable mounting surface for your optic over its entire 5.4-inch length.
- What magazines does it use?
- It uses AICS-pattern .223 Remington magazines, not proprietary Weatherby magazines. The included magazine is a 3-round polymer unit, but you can source aftermarket 5, 10, or 12-round AICS metal magazines from brands like Accurate-Mag or MDT, though feeding reliability with the longer .22 Creedmoor cartridge should be verified.
- Is the trigger adjustable?
- Yes, the TriggerTech Field trigger offers external adjustment for pull weight, set from the factory between 2.5 and 4 lbs. The adjustment requires a 3/32-inch hex key and should be performed with the firearm unloaded; the safety mechanism remains fully functional throughout the adjustment range.