Dark Mountain Stowaway Rifle 9MM Luger Single Shot 16 Threaded Barrel Black

About this product

The Dark Mountain Arms Stowaway is a compact, single-shot, bolt-action rifle chambered in 9mm Luger, designed around a break-down mechanism that collapses the entire rifle to roughly 16.65 inches for storage or transport, then reassembles in well under a minute. This black-finished version has a threaded 16.65-inch barrel with 1/2x28 threading for suppressor use.

What makes the Stowaway's design different from a typical rifle?

Rather than a traditional fixed-length rifle, the Stowaway is built as a take-down platform using aluminum, steel, and glass-filled nylon construction with an integrated stock and a full-length Picatinny rail. The action is a single-action bolt design with a rear plunger-style hammer that's manually cocked before each shot — since it's single-shot, there's no magazine or detachable box to manage, just load one round, cycle the bolt, and fire.

Why chamber a bolt-action rifle in 9mm Luger?

Chambering a takedown survival-style rifle in a common pistol cartridge like 9mm keeps the rifle lightweight, keeps recoil mild, and lets an owner who already carries a 9mm pistol share ammunition between both platforms. Dark Mountain also sells the Stowaway platform in 5.7x28mm, with the caliber swap handled through a barrel-and-bolt-face change on the same core rifle.

What's the weight and overall footprint?

Broken down, the Stowaway packs to about 16.65 inches; assembled with the barrel attached, firing length runs about 31.78 inches, with a height of 6.88 inches and a thickness under 2 inches. Weight comes in at a very light 2.8 pounds, making this one of the more genuinely packable rifle platforms on the market, closer in carry bulk to a large pistol case than a standard rifle case.

How does delivery work, and is an FFL required?

Yes — as a complete rifle, the Stowaway is a firearm and ships to a licensed FFL dealer for pickup rather than to your home address, where you'll complete the standard background check and transfer paperwork, the same as any other long gun purchase.

The threaded barrel is a meaningful part of the Stowaway's appeal for owners who already run a suppressor on a 9mm platform, since it lets the same can serve double duty across a pistol and this compact rifle. As a single-shot design, it's best suited to owners who value packability and simplicity — a backpacking, camping, or vehicle-storage rifle — over a repeating rifle's faster follow-up shot capability.

Dark Mountain Arms markets the Stowaway family specifically toward backcountry, overlanding, and emergency-preparedness use cases, where a rifle that disappears into a pack until it's needed has more practical value than a repeating rifle that's too bulky to carry consistently. The manual plunger-style hammer and simple single-shot bolt action mean there's very little that can go mechanically wrong compared to a more complex repeating action, which is a deliberate reliability trade-off for a rifle meant to sit stored for long stretches between uses. Owners already running a suppressor on a 9mm pistol will find the shared threading and caliber between platforms genuinely convenient, since the same can and the same ammunition serve both guns without any additional purchases. For anyone weighing packability against firepower, the Stowaway makes its priorities clear from the design brief alone, and it delivers well on exactly what it sets out to do for the specific buyer who values that tradeoff over raw firepower.