S&T UTG9/UMP-9 G3 Airsoft AEG Sub-Machine Gun with Folding Stock in Black

S&T UTG9/UMP-9 G3 Airsoft AEG Sub-Machine Gun with Folding Stock – Black

When it comes to tight corners, lightning-fast transitions, and reliable internals, the S&T UTG9/UMP-9 G3 AEG Sub-Machine Gun doesn’t mess around. Designed for aggressive CQB players and urban-style engagements, this compact AEG is all about keeping things light, responsive, and skirmish-ready straight out of the box. It's not trying to be flashy—it’s built to get the job done, fast and clean.

This airsoft sub machine gun draws inspiration from the iconic UMP-9 platform but trims it down into a modern, electronic beast. The star of the show? S&T’s latest G3 Electronic Trigger Unit. Paired with an integrated MOSFET and magnetic sensor setup, this system gives you crisp, clean trigger response and protects your LiPo battery with a smart low-voltage cutoff. No more guesswork on when to swap batteries—just solid, dependable performance round after round.

The UTG9 sits comfortably in the 300–370 FPS range (on 0.20g BBs), making it adaptable for both indoor CQB and tighter outdoor skirmishes. The adjustable rotary hop-up allows fine-tuning for different ammo weights, giving you precise control over shot placement. And if you're switching between sites with different FPS limits? The quick-change spring system means you're not cracking open the gearbox every time. Pop, swap, and you’re good to go.

Externally, it balances rugged durability with weight-saving materials. The nylon fiber receiver keeps things lightweight and maneuverable, while the full metal outer barrel and rail system give it that reassuring, skirmish-ready strength where it matters. Everything feels snug—no creaky plastics or loose mounts here. Plus, the matte black finish gives it a clean, tactical look that fits right in with modern loadouts.

The folding stock is another win for CQB players. Folded, the gun becomes tight and compact—perfect for room-clearing and vehicle play. Extended, it locks in firmly and gives you that solid shoulder weld and cheek alignment you want for longer shots or outdoor control. The battery compartment is tucked into the stock, which keeps things clean and wire-free.

Controls are fully ambidextrous. Fire selector and magazine release work from either side, which is great for left-handed users or quick shoulder swaps. The included 100-round mid-cap magazine feeds reliably without the rattle of high-caps, and if you’re already using other 9mm-style SMG mags, there’s a good chance they’ll slot in nicely—though it’s always worth checking fit before game day.

And yes, there’s a 14mm CCW mock suppressor in the box. It threads onto the barrel and completes the aggressive styling, while also letting you run tracer units or aftermarket suppressors if you want to customise your build. Practical upgrades, right out of the gate.

Highlights

• G3 Electronic Trigger Unit with integrated MOSFET and magnetic sensors
• Quick-change spring system for fast FPS tuning
• Folding stock for ultra-compact transport and CQB agility
• Lightweight nylon fiber receiver with full metal barrel and rails
• Ambidextrous fire selector and mag release for left or right-handed users
• 14mm CCW threaded mock suppressor included
• Adjustable rotary hop-up for precision accuracy
• Battery compartment housed in the stock for clean wiring

What's Included

• S&T UTG9/UMP-9 G3 AEG Sub-Machine Gun
• 100-round mid-cap magazine
• 14mm CCW mock suppressor
• User manual

Technical Specifications

• Model: S&T UTG9 / UST9 G3 (STAEG313BBK)
• Gearbox: Custom V2 with Quick-Change Spring System
• Trigger System: G3 ETU with Magnetic Sensor & MOSFET
• FPS: Approx. 300–370 FPS (0.20g BBs)
• Energy: 1.15–1.27 Joules
• Hop-Up: Adjustable rotary type
• Magazine: 100-round mid-cap (STMAG41M)
• Receiver: Nylon fiber polymer
• Outer Barrel & Rails: Full metal
• Length: 450mm folded / 685–880mm extended with suppressor
• Weight: Approx. 2.63–2.8kg
• Controls: Ambidextrous