Description
EMG Strike Industries SI-90 AEG Extended – Black: Futuristic P90 Performance
Step into the future of airsoft with the EMG Strike Industries SI-90 AEG Extended. Based on the real-steel Strike Industries Modular Chassis for the FN PS90, this officially licensed P90-style AEG combines the iconic bullpup layout with modern ergonomics, extensive accessory mounting options and a responsive electronic trigger system. Finished in black and featuring the extended configuration, the SI-90 is an eye-catching airsoft SMG built for players who want something genuinely different.
What really sets the SI-90 apart is what sits inside the chassis. The EShooter Kestrel V6 Basic ETU replaces the traditional mechanical P90 trigger linkage, delivering a much more responsive trigger feel while adding programmable functions including 3-round burst, binary trigger and five levels of pre-cocking. Add a pre-upgraded Version 6 gearbox, 18:1 CNC steel gears, high-torque neodymium motor, quick-change spring system and 6.05mm tightbore inner barrel, and you’ve got a P90 AEG that brings modern airsoft technology to a seriously futuristic platform.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | EMG / King Arms |
| Platform | P90 / PS90 |
| Type | AEG Airsoft Submachine Gun |
| Gearbox | Version 6 |
| ETU | EShooter Kestrel V6 Basic |
| Fire Modes | Safe / Semi / Full Auto / Programmable |
| HOP-Up | Adjustable Rotary HOP-Up |
| Inner Barrel | 6.05mm Tightbore |
| Inner Barrel Length | 410mm |
| Magazine Capacity | Approx. 100 Rounds |
| Magazine Type | AEG Mid-Cap |
| Magazine Compatibility | P90 AEG Magazines; King Arms recommended |
| Motor | High-Torque Neodymium |
| Gear Ratio | 18:1 CNC Steel Gears |
| Spring System | Quick-Change Spring |
| Battery | 7.4V LiPo Recommended |
| Battery Connector | Deans / T-Plug |
| Wiring | Rear Wired |
| Thread | 14mm CCW |
| Rail System | M-LOK / 20mm Picatinny |
| Construction | Aluminium / High-Density Polymer |
| Weight | Approx. 2.2kg |
| Length | Approx. 69.5cm |
| Colour | Black |
Key Features & Performance
- Officially Licensed Strike Industries Design: Authentic Strike Industries styling and trademarks throughout the SI-90 chassis.
- Extended P90 Configuration: The Extended model provides a longer configuration while retaining the compact bullpup layout of the P90 platform.
- EShooter Kestrel V6 Basic ETU: Replaces the traditional P90 trigger linkage with an electronic trigger system for a sharper and more responsive trigger feel.
- Programmable Fire Modes: Supports programmable functions including 3-round burst, binary trigger and five levels of adjustable pre-cocking.
- Pre-Upgraded V6 Gearbox: Includes 18:1 CNC steel gears, 9mm bushings, a full steel-tooth rack piston, quick-change spring system and high-torque neodymium motor.
- 6.05mm Tightbore Barrel: Provides strong accuracy potential when paired with quality BBs and correctly adjusted HOP-up.
- Hybrid M-LOK & Picatinny Handguard: Multiple mounting options allow you to configure the SI-90 with lights, grips, lasers and other compatible accessories.
- Adjustable & Removable Cheek Riser: Allows the cheek position to be tailored around your preferred optic and shooting position.
- 14mm CCW Thread: Provides compatibility with a wide range of airsoft tracer units, muzzle devices and suppressors.
The “Pro” Take
The EMG Strike Industries SI-90 Extended is for players who don’t want to run another conventional M4 or AK. The P90’s bullpup layout already makes it compact and distinctive, but the Strike Industries chassis takes that concept considerably further with its modern grip angle, adjustable cheek riser, rubberised butt plate, QD sling sockets and extensive accessory mounting options.
The Kestrel ETU is the real game changer. Traditional P90 AEGs use a mechanical trigger bar system, whereas the SI-90 uses an electronic trigger system to give the trigger a much more direct feel. With programmable fire modes and adjustable pre-cocking, there’s also plenty of scope to tailor the rifle to your preferred setup. For players who enjoy technology, unusual platforms and customisation, this is one seriously interesting P90.
UK Spec & Site Performance
The SI-90 is a rear-wired electric AEG using a Deans connector, with a 7.4V 1450mAh LiPo recommended by Patrol Base for a practical fit and reliable performance. The rifle is supplied with an approximately 100-round mid-cap magazine and accepts standard P90 AEG magazines, with King Arms-branded magazines recommended.
The combination of a compact bullpup layout, adjustable HOP-up, 410mm 6.05mm inner barrel and responsive electronic trigger makes the SI-90 a versatile choice for both woodland and CQB players. The M-LOK and Picatinny mounting points also make it easy to build around your preferred accessories. Always chrono your rifle and check your individual site’s FPS and Joule limits before playing, as site limits can vary.
Friendly FAQ
What is the EMG Strike Industries SI-90?
The SI-90 is a P90-style electric airsoft gun based on the Strike Industries Modular Chassis for the FN PS90. It combines the P90 bullpup layout with modern Strike Industries ergonomics and an EShooter Kestrel electronic trigger system.
What gearbox does the SI-90 use?
The SI-90 uses a Version 6 gearbox with TM-compatible internals. The gearbox includes 18:1 CNC steel gears, a high-torque neodymium motor, quick-change spring system and EShooter Kestrel V6 Basic ETU.
What does the Kestrel ETU do?
The EShooter Kestrel V6 Basic ETU replaces the traditional P90 mechanical trigger linkage and provides a more responsive electronic trigger system. It also supports programmable functions including 3-round burst, binary trigger and five levels of pre-cocking.
What magazines does the SI-90 use?
The SI-90 accepts P90 AEG magazines and is supplied with an approximately 100-round mid-cap magazine. King Arms P90 magazines are recommended by Patrol Base.
What battery does the SI-90 use?
The rifle is rear wired with a Deans connector. A 7.4V 1450mAh LiPo battery is recommended, although the battery and charger are not included.
Can I fit a tracer unit or suppressor?
Yes. The outer barrel uses a 14mm CCW thread, allowing compatible airsoft tracer units, muzzle devices and suppressors to be fitted.
Can I customise the SI-90?
Absolutely. The Strike Industries chassis provides M-LOK and 20mm Picatinny mounting options, QD sling sockets and an adjustable/removable cheek riser, giving you plenty of options for creating your preferred SI-90 setup.













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