Description
Cyma CM513 M4 AEG with Inbuilt Silencer (Blue)
The Cyma CM513 is an M4 SD-style electric rifle with an integrated suppressor and a quad-rail RIS handguard. This version is finished in blue, the UK-style coloured version, so it is clearly identifiable as a replica while keeping the purposeful look of a suppressed M4.
The built-in suppressor gives the gun a distinctive, compact silhouette without the extra length of a screw-on silencer, and the quad-rail handguard gives you plenty of room for accessories. With a MOSFET, quick-change spring and Version 2 gearbox, it offers more features than you might expect at this price, making it a strong choice for new players and anyone wanting an affordable, light M4.
Build and design
The receiver, handguard, integrated suppressor, buffer tube, pistol grip and stock are high-density polymer, keeping the weight low at around 1.65kg, while the outer barrel and trim are alloy. The 20mm quad-rail handguard has rails at the top, bottom and both sides, and the receiver has a 20mm top rail for optics. Flip-up iron sights are fitted.
The five-position crane stock with rubber butt plate lets you set the length of pull for your build and kit. Sling points are provided on the stock and on a polymer sling plate.
Performance and internals
The Version 2 gearbox has an alloy shell, an 18:1 steel gear set on 8mm steel bushings and a reinforced polymer piston with a steel tooth. A Cyma MOSFET protects the trigger contacts and sharpens the trigger response, and the quick-change spring system makes it easy to adjust the gun for sites with different limits.
The 6.04mm tightbore inner barrel sits inside the integrated suppressor, and the rotary hop-up adjuster is reached by pulling back and holding the charging handle. Dial it in to suit your BB weight; 0.25g BBs are a good match for this gun.
On the field
The suppressed profile and compact length suit CQB, urban and woodland play alike. A red dot on the top rail and a torch on the side rail make it a capable all-rounder.
Key features
- M4 SD-style replica with integrated suppressor
- 20mm quad-rail RIS handguard
- High-density polymer body with alloy outer barrel and trim
- Version 2 gearbox with 18:1 steel gears and 8mm steel bushings
- Cyma MOSFET for sharper trigger response
- Quick-change spring system
- 6.04mm tightbore inner barrel
- Rotary adjustable hop-up
- Flip-up iron sights
- Five-position crane stock
- Colour: Blue
Compatibility
Takes standard M4/AR-15-pattern AEG magazines. The Version 2 gearbox accepts standard V2 parts, and the 20mm rails accept standard optics and accessories. A 7.4V LiPo in a stick or crane configuration with a Deans connector is a good battery choice; check the space available before ordering. Recommended BB weight is 0.25g, with 0.20g to 0.28g usable.
Care and maintenance
Take the battery out of the gun whenever you are not using it, and store LiPo batteries at storage charge in a fire-resistant bag. Never leave a battery charging unattended.
Use good quality, seamless 6mm BBs; cheap or damaged BBs are the most common cause of jams and can damage the hop-up rubber. Run a cleaning rod with a dry patch through the inner barrel every few games, and if a BB jams, clear it with the rod from the muzzle end with the battery removed.
After each game wipe the outside down to remove dirt and moisture, and let the gun dry at room temperature if it has been out in the rain. Turn the hop-up back off when storing it for long periods, and leave the gun on safe and on semi rather than full auto, so the spring is not left compressed.
Who is it for?
The CM513 is a great fit for new players who want a light, feature-rich M4 at a sensible price, and for experienced players looking for a reliable backup or loan gun with a distinctive suppressed look.
Please note: Please check the listing for whether a battery and charger are included. BBs are sold separately. Always wear suitable eye and face protection and check the rules at your site before play.










