Description
Electronic Trigger Performance: G&G CM16 SRL Black Combat Machine AEG – ETU & MOSFET
Want an M4-style AEG with responsive electronic trigger control straight out of the box? The G&G CM16 SRL Combat Machine AEG combines a lightweight reinforced polymer receiver with a metal KeyMod handguard and integrated Electronic Trigger Unit (ETU) and MOSFET. Designed for players who want a practical, adaptable rifle, the CM16 SRL offers familiar AR-style handling with useful electronic features.
The integrated electronics improve trigger response and help protect the trigger contacts, while the ETU supports a programmable 3-round burst firing mode. An adjustable hop-up, folding front and rear sights, ambidextrous magazine catch and six-position crane stock make this a versatile platform for skirmishing, whether you’re moving through CQB layouts or playing outdoors.
With its combination of accessible Combat Machine design and electronic firing control, the CM16 SRL is a strong option for players looking for a capable M4 platform that can be personalised with compatible optics, grips and other accessories.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | G&G Armament |
| Model | CM16 SRL Combat Machine |
| SKU | GG-EGC-16P-SRL-BNB |
| Platform | M4 / AR-style AEG |
| Power Source | Electric – AEG |
| Gearbox | Version 2 metal gearbox |
| Electronics | Integrated ETU and MOSFET |
| Bushings | 8mm bushings |
| Motor | Long-axis motor, approximately 18,000 RPM specification |
| Firing Modes | Safe, semi-automatic and full-automatic, with programmable 3-round burst capability |
| Hop-Up | Adjustable |
| Inner Barrel Length | 260mm |
| Magazine | 300-round high-capacity magazine |
| Magazine Compatibility | Compatible M4 / M16 AEG magazines, subject to fit |
| Receiver | Reinforced polymer |
| Handguard | Metal KeyMod rail system |
| Stock | Six-position retractable crane stock |
| Muzzle Thread | 14mm CCW |
| Overall Length | Approximately 810mm |
| Weight | Approximately 2.3kg |
| Battery | Not included |
Key Features & Performance
- Integrated ETU and MOSFET – Electronic trigger control improves trigger response and helps protect the electrical contacts.
- Programmable 3-round burst – Provides a controlled firing option alongside the standard firing modes.
- Version 2 metal gearbox – A widely supported AEG gearbox platform with a broad range of compatible upgrade parts.
- Lightweight polymer receiver – Keeps the rifle manageable during longer skirmish days.
- Metal KeyMod handguard – Provides mounting positions for compatible accessories.
- Ambidextrous magazine catch – Makes magazine changes more accessible for left- and right-handed players.
- Ambidextrous charging handle – Adds convenient AR-style handling for different shooting positions.
- Folding front and rear sights – Offers a practical aiming system that can be folded down when using an optic.
- Six-position crane stock – Adjusts to suit your stance, kit and preferred rifle length.
- Adjustable hop-up – Lets you tune the BB trajectory to suit your ammunition and setup.
- 14mm CCW muzzle thread – Allows compatible tracer units and muzzle accessories to be fitted.
The “Pro” Take
The CM16 SRL’s main attraction is its combination of a familiar M4 layout and factory-fitted electronic trigger features. The ETU helps provide a more responsive trigger feel, while the programmable burst option gives players another firing mode to suit their preferred style of play.
The polymer receiver keeps the rifle relatively light, while the metal KeyMod handguard offers space for practical additions such as a torch or foregrip. The adjustable stock and folding sights also make it easy to tailor the rifle to your loadout without needing to replace the main furniture straight away.
For players looking to develop their rifle over time, the Version 2 gearbox platform offers a well-established base for compatible maintenance and upgrade parts. As with any AEG, correct battery selection, regular cleaning and sensible maintenance will help keep it operating as intended.
UK Airsoft Use & Setup
The CM16 SRL is an electric-powered airsoft rifle suited to a range of skirmish environments. Its M4 layout and accessory mounting options make it adaptable for CQB, woodland and general-purpose site use.
Power output: Actual FPS and Joule output can vary with the rifle’s configuration, spring, air seal, BB weight and maintenance. Chronograph the rifle before use and ensure it complies with your site’s limits, including any restrictions that apply to full-automatic fire.
Battery setup: The battery and charger are not included. Confirm the connector and manufacturer’s battery recommendations for the exact version supplied before purchasing a battery. Use a compatible charger and never leave a battery charging unattended.
Accessory compatibility: The KeyMod handguard accepts compatible KeyMod accessories, while the top rail can accommodate suitable rail-mounted optics. Check the mounting standard before ordering accessories.
UK purchase requirements: Airsoft replicas are subject to UK law. Buyers should ensure that their purchase and any chosen finish comply with the applicable requirements, including any relevant retailer verification process.
Friendly FAQ
What does ETU mean?
ETU stands for Electronic Trigger Unit. It electronically manages trigger operation and supports features such as programmable firing modes on compatible G&G models.
What does the MOSFET do?
The MOSFET helps manage the electrical current and protects the trigger contacts from the wear associated with switching a high-current AEG circuit directly through mechanical contacts.
Can the CM16 SRL fire in 3-round burst?
Yes. The integrated ETU supports a programmable 3-round burst mode. Follow the rifle’s instruction manual for the correct programming procedure.
Does the rifle include a magazine?
Yes. This version is listed with a 300-round high-capacity magazine.
Can I fit a red dot sight?
Yes. The rifle’s top rail accepts compatible rail-mounted optics. The folding sights can be used as a backup aiming option.
Can I fit a tracer unit?
The muzzle uses a 14mm CCW thread. Choose a tracer unit with the matching thread and check clearance around the front end before fitting.
Is the CM16 SRL suitable for beginners?
It can be a good option for players who want an adaptable M4-style AEG with electronic trigger features already installed. New players should also budget for a compatible battery, charger, eye protection and suitable BBs.
Is it suitable for woodland and CQB?
Yes. It is a versatile general-purpose M4 platform. Your BB choice, hop-up adjustment, site rules and the rifle’s measured power will determine how it should be used at a particular site.
Is the battery included?
No. A compatible battery and charger must be purchased separately. Check the connector and manufacturer’s recommendations for the exact version supplied.





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