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370 FPS CYMA M4A1 Full Metal Gearbox Automatic AEG Airsoft Carbine

SKU: CYMA-CM010 CYMAOut of stock

  • Full Metal Version 2 gearbox
  • Full metal outer barrel, buffer tube, charging handle
  • Impact resistant polymer upper and lower receiver
  • Shoots between 350-370 FPS
  • 6-position polymer LE stock
  • Removable carry handle
  • Front and rear iron sights adjustable for windage and elevation
  • Universal sling mounts for 2- and 3- point rifle slings
  • Mock gas tube
  • 300rd high capacity magazine included


370 FPS CYMA M4A1 Full Metal Gearbox Automatic AEG Airsoft Carbine

The NEW M4A1 AEG Carbine by CYMA rocks solid internal parts and offers players with a versatile rifle that will fare well in both CQB and outdoor scenarios. Powered by a hard-hitting Version 2 gearbox, this M4A1 AEG shoots between 350-370 FPS (w/ 0.20g BBs) and yields incredibly tight groupings. Combined with its high quality internals and durable build, CYMA’s M4A1 AEG Carbine is a force to be reckoned with in any airsoft game!

CYMA, which is known for their wide variety of AK47 style AEGs, designed this M4 for both indoor and outdoor fields. This AEG is fitted with a fully adjustable hop-up unit to ensure each round hits its target. The front and rear iron sights are adjustable for windage and elevation, with the option to easily remove the carry handle to make space for aftermarket optics and improve accuracy. Although this AEG comes with a standard M4 style handguard, players can easily install an M4 style drop-in RIS/RAS handguard to attach mounted accessories, including flashlights, mock PEQ boxes, and a CYMA Ergonomic RIS Vertical Foregrip.

The X-Tac Polymer Difference: This new CYMA Gen-4 M4 is equipped with an advanced X-Tac Polymer body, built to deliver ultra-maneuverability with its lightweight formation, while being able to with extreme wear and tear in the playing field. Formulated with an advanced polymer composite, CYMA's new X-Tac Polymer bodies deliver never-before-seen reliability and performance for an airsoft rifle under $150, turning the airsoft market on its head. Available exclusively at Airsoft Megastore, buy your new CYMA M4 today and experience the X-Tac Difference!

Maneuverability comes easy for CYMA’s M4A1 as it is equipped a polymer LE stock that can be adjusted in six positions, improving the overall ergonomics of this rifle. The retractable stock also makes it easy for operators to turn tight corners and clear buildings. This M4 AEG also features a full metal outer barrel, buffer tube and charging handle to improve the overall reliability and durability of this rifle. Additionally this AEG is built with a highly durable polymer upper and lower receiver, making it lightweight and thus reducing operator fatigue in longer games.

The NEW CYMA M4 RIS is a top-of-the-line AEG for its price and is compatible with Version 2 internal parts, giving you the option for upgrades and modifications in the future. This rifle is perfect for all airsoft players and comes with everything you need in the box, including a high capacity magazine, bag of BBs, battery and charger!

Ammo type: Seamless 0.20g or heavier (0.23g, 0.25g, 0.26g, 0.28g, etc) BBs. For maximum performance and accuracy, Airsoft Megastore recommends GoldenBall ProSlick BBs which carry perfect spherical consistency and density, available at Airsoft Megastore for the lowest price on the market, guaranteed.

In the Box


high capacity magazine




Operation Electric Automatic
Build Polymer receiver, stock, rails / Metal gearbox, outer barrel
Firing Modes Semi-automatic and Full-automatic w/ functional safety
Muzzle Velocity 350-370 FPS (w/ 0.20g BBs)
Magazine 300rd high capacity magazine (gear wind-up)
Gearbox Full Metal Version 2
Battery Type 8.4V Mini
Hop-Up Adjustable
Weight 6lbs
Overall Length 30.5” in. / 33.5” in. (Retracted / Extended)

California Proposition 65 Warning: Cancer and Reproductive Harm -

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