Dark Mountain Arms Stowaway 9mm 5in Threaded Single-Shot Pistol

About this product

The Dark Mountain Arms Stowaway is a large-format single-shot bolt-action pistol engineered for modularity and compact transport. Chambered as provided in the manufacturer data for 9 x 19mm, it features a removable 5-inch threaded barrel and a 1913 brace adapter for a foldable brace. The design includes an optics-ready Picatinny rail and a suppressor-ready 1/2×28 threaded muzzle. Materials listed by the manufacturer include aluminum, steel and glass-fiber reinforced nylon.

Key Specifications

• The caliber is 9 x 19mm.
• The action is Bolt-action.
• The barrel is 5 inches and threaded for 1/2×28.
• Includes a 1913 brace adapter to accept a foldable brace (all NFA laws apply).
• Overall firing length with barrel attached is 11.5 inches.
• Length with the barrel detached is 7.1 inches.
• The height measures 6.88 inches.
• Thickness measures under 2.0 inches.
• Materials are listed as Aluminum, Steel, GF Nylon.
• The safety is a single-action with half-cock position.

The Stowaway is built for users who prioritize modularity and straightforward function: a removable barrel for compact transport or caliber change, a thread-ready muzzle for accessory options, and an optics-ready rail for modern sighting solutions. Its configuration supports a range of practical uses where a compact, configurable single-shot pistol is appropriate.