Description
There is a reason the Vanguard line keeps showing up in deer camps year after year. Weatherby backs every one of these rifles with a Sub-MOA accuracy guarantee, and this Obsidian version delivers that performance in a compact package built around an 18 inch cold hammer forged barrel. The muzzle comes threaded 1/2×28, so adding a suppressor or brake takes about a minute, and the shorter tube keeps the whole setup balanced instead of front-heavy once a can goes on. With a 1:10 twist, it stabilizes the full range of popular .308 Win bullet weights, from light varmint loads up through heavy match and hunting bullets.
Why the Short Barrel Vanguard Obsidian Makes Sense
An 18 inch .308 gives up very little velocity compared to a 22 inch barrel, but the difference in handling is night and day. Overall length comes in right around 38 inches, so it maneuvers through brush, fits in a truck or blind without a fight, and shoulders quickly when a shot window opens. At roughly 7.3 pounds it carries comfortably all day. The black polymer Monte Carlo stock shrugs off rain, mud, and temperature swings, and the raised comb lines your eye up naturally behind a scope. The receiver comes drilled and tapped with no iron sights, so you can mount glass exactly how you want it.
Vanguard Obsidian Trigger and Controls
The adjustable two-stage match trigger is one of the best factory triggers in this price range, breaking clean and crisp right out of the box. A three-position safety lets you cycle the bolt with the safety engaged, and the internal magazine feeds 4+1 rounds of .308 through a smooth, reliable action. It is a lot of proven rifle in a size that just works, whether you are hunting timber or stretching it out at the range.
Key Specifications
- Manufacturer: Weatherby
- Model: Vanguard Obsidian
- MPN: VTX308NR18T
- UPC: 747115463565
- Caliber: .308 Win / 7.62 NATO
- Action: Bolt Action
- Barrel Length: 18", cold hammer forged
- Muzzle Thread: 1/2×28, threaded
- Twist Rate: 1:10
- Capacity: 4 + 1
- Overall Length: 38"
- Weight: Approx. 7.3 lbs
- Stock: Black polymer Monte Carlo, weather-resistant
- Finish: Matte blued
- Trigger: Adjustable two-stage match trigger
- Safety: 3-Position
What’s Included
- Weatherby Vanguard Obsidian bolt action rifle
- Muzzle thread protector
- Owner's manual
Frequently Asked Questions
Is the Weatherby Vanguard Obsidian covered by the Sub-MOA guarantee?
Yes. Like the rest of the Vanguard line, the Obsidian is guaranteed to shoot a 3-shot group under one inch at 100 yards from a cold barrel when using Weatherby factory or premium ammunition. The cold hammer forged barrel and match-grade trigger are a big part of why these rifles consistently deliver on that promise.
Can I put a suppressor on the Vanguard Obsidian 18 inch .308?
That is really what this configuration was made for. The muzzle is threaded 1/2×28, which is the common thread pattern for most .30 caliber suppressors and muzzle brakes. The short 18 inch barrel also keeps overall length manageable once a can is attached, so the rifle stays quick-handling in the field.
Does the Vanguard Obsidian come with sights or a scope?
No sights or optics are included. The receiver is drilled and tapped from the factory, so mounting a scope base and rings is straightforward. Most owners pair this rifle with a mid-power hunting scope in the 3-9x or 2-10x range.
How much velocity do you lose with the 18 inch barrel in .308?
.308 Win is one of the most efficient cartridges from shorter barrels, typically giving up only around 20 to 25 fps per inch. That works out to roughly 100 fps compared to a 22 inch barrel, which makes very little practical difference at normal hunting distances. In exchange you get a lighter, better balanced rifle that is much easier to run suppressed.





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