Maruyama FMG-9 EU18C Folding SMG (Full Gun)

Unleash the Element of Surprise
The Maruyama FMG‑9 draws inspiration from Magpul’s iconic folding design, reinvented with a full gas blow-back system and a foldable frame that conceals its firepower in plain sight. Compact when folded, commanding when deployed — this is stealth meets performance.
Key Features & Specifications:
Build & Materials: Sturdy hybrid construction blends metal, aluminum alloy, fiber-reinforced polymer, steel, and nylon/rubber components for exceptional durability
Dimensions: Collapsed at ~260 × 150 × 35 mm and extends to ~490 mm when opened, striking the perfect balance between portability and battlefield presence
Weight: Weighs approximately 1.17–1.3 kg (with blank magazine), offering maneuverability without compromising recoil feel
Gas Blow‑Back Mechanics: Powered by green gas (or equivalent propellants), delivering realistic blow-back, full-auto & semi-auto firing, and an adjustable hop-up system for accuracy
Magazine Capacity: Includes an extended 42 round magazine
Velocity: Shoots around 280 FPS (0.20 g BBs)—within safe yet effective field limits
Accessory Ready: Comes with a steel sling loop and a Weaver/Picatinny-style rail for attachments like lights or lasers
Design Highlights:
Folding Transformation — Transitions swiftly from a compact “book form” to a fully operational SMG with a single lever action
Site-ready Ergonomics — Deploys a spacious grip and trigger guard when unfolded; features simple yet functional iron sights.
Bolt & Blowback — Utilizes VFC’s Glock-compatible gas system, known for reliability and recoil realism
Real‑World Performance & Feedback:
“The Maruyama version of the FMG‑9 is a very good airsoft gun … cheap and works very well” — a confirmed buyer testifies (reddit.com).
Reviewers praise its compactness, transformation novelty, and dependable field use: “compact size and unique transformation make it a fun and collectible model”
Built tough—but note: the polymer frame, while durable, may crack if dropped. Handle with care
Ideal For:
Milsim & Tactical Plating: Its full-auto capability, classic SMG handling, and compact build make it perfect for aggressive milsim ops.
Cosplay & Display: A statement piece with true-to-source authenticity and dramatic folding deployment.
Collectors: Rare Maruyama-branded folding weapon with quality VFC internals — a superb collectible.
What’s in the Box:
Maruyama FMG‑9 GBB Airsoft SMG
One 42 round Glock-style gas magazine
User manual