The Specna Arms MP40 RETRO SMG AEG brings authentic WWII-era aesthetics to modern airsoft skirmishing. Built on a robust top-wired gearbox platform and powered by 7.4V LiPo technology, this retro submachine gun combines historical charm with contemporary performance—ideal for both casual players and dedicated milsim enthusiasts.
Key Features
- Compact 635mm overall length – exceptional manoeuvrability in CQB and indoor sites
- Consistent 310 FPS performance – reliable energy output on 0.20g rounds
- Semi and full-automatic firing modes – versatile engagement options for different scenarios
- Top-wired gearbox – proven reliability and responsive trigger response
- Slider hop-up – precise range tuning and hop adjustment
- 120-round medium-capacity magazine – extended trigger time without constant reloading
- Alloy upper receiver and outer barrel – durable construction that resists warping
- Lightweight build – fast target acquisition and reduced user fatigue during extended skirmishes
Real-World Use Cases
This MP40 excels in close-quarters battlefields. CQB sites and indoor arenas favour compact platforms, and the 635mm frame delivers superior handling around tight corners and doorways. Milsim players fielding WWII or Cold War European loadouts will appreciate the authentic appearance alongside genuine performance. Supports both semi-auto precision work and suppressive full-auto bursts—whether you’re holding a choke point or pushing through buildings, this AEG adapts to your role.
Technical Specifications
- Velocity: 310 FPS (0.20g)
- Gearbox: Top-wired
- Firing Modes: Safe, semi-automatic, full automatic
- Magazine Type: Medium-capacity (120 rounds) – AEG compatible
- Battery: 7.4V Deans connector
- Overall Length: 635mm
- Weight: 3.17kg
- Construction: Alloy upper receiver, stock, outer barrel; polymer lower furniture
- Hop-up: Slider adjustment
- Power Source: Electric (AEG)
Compatibility & Upgrades
The top-wired gearbox accepts standard AEG upgrade components. Swap the hop-up bucking for enhanced range or install a tighter inner barrel to tighten groupings. 7.4V LiPo batteries fit the Deans connector—consider stepping to an 11.1V LiPo if you plan extended gameplay, though always check motor current draw. The 120-round magazine is reliable but leaves room for additional mag purchases to extend skirmish periods without downtime.
UK Legal & Site Notes
The Specna Arms MP40 meets UK airsoft legal requirements. Chrono at your local site on 0.20g rounds (310 FPS). Most UK sites accept both semi and full-auto AEGs at CQB distances—confirm your venue’s engagement distance policy. Two-tone or RIF status: check the current finish with your retailer or site operator before deployment.
Ready to add retro authenticity to your loadout? Order your Specna Arms MP40 RETRO SMG AEG from Airsoftdirect today and secure rapid dispatch with full UK support.



















