CYMA Master Chief M4 - 7 Inch - CM.091

Product Description


  • Alloy upper and lower receivers and barrel assembly
  • Full metal 20mm railed 7" handguard allows for easy addition of weapon lights, grenade launchers or other accessories
  • Adjustable front and rear sights
  • Reinforced V2 metal gearbox
  • CYMA stock allows for larger battery use
  • FPS Range: 280-320 (depending on gels used)


CYMA is among the oldest, most experienced and the largest gel blasters manufacturing facility in the world. Known for their unmatched quality control and professionalism, CYMA is selected to be the OEM of a vast amount of gel blasters products. Durability and performance meets affordability!


  • Brand: CYMA
  • Released: June 2021 Revision
  • Type: Automatic, battery operated
  • Firing Modes: Semi/Full-Auto/Safety
  • Highest quality metal materials and craftsmanship
  • Designed and built with the utmost attention to detail
  • Heavy, and well distributed weight
  • 2-piece split metal receiver
  • Strong metal construction from tip to buffer tube. Metal Gearbox with metal gears
  • Ambidextrous Magazine Release 
  • 4 Spring
  • 18:1 Gear ratio
  • Metal receiver
  • Metal handguard
  • Metal silencer fire cap/tip 
  • Metal flip up sights
  • Metal inner barrel
  • Metal outer barrel to reduce vibration
  • CNC Metal switch
  • CNC Metal Pins
  • Extendable stock
  • Charging handle opens dust cover and functions as a magazine primer 
  • Rails on all 4 sides for tactical attachments
  • Uses 7-8mm gel balls
  • Thread Direction: 14mm Counter Clockwise (CCW) on outer barrel 
  • Gearbox: V2 Full Metal, Fully Upgradeable
  • Motor: Long Type high torque 480
  • Fire Modes: Semi/Full-Auto/Safety
  • Battery: 11.1v Small Type recommended (Battery included. Wired to stock with Mini Tamiya connector)

Magazine Capacity: 200rd Hi-Capacity. Works with other compatible CYMA M4 / M16 Series Gel blaster AEG Mags, including CYMA Drum mags. 

FPS Variable: 280-320 (depending on gels used)
Variable FPS for different gels used, we recommend using 7-8mm hardened gels
Depending on the battery size a 7.4V battery will achieve a higher FPS than an 11.1V
Also the semi-auto function has a higher FPS than full-auto function.

Package Includes:

1 x Brand new CYMA Master Chief M4 7" Hand guard Metal Gel Blaster - CM.091

1 x CYMA Metal Magazine 

1 x Metal Sights

1 x Metal Black Flash hider

1 x 11.1v rechargeable battery

1 x USB charger

1 x Safety glasses

1 x Pack gels

Do not upgrade any part of your toy gel blaster as this will void the warranty. Upgrades refer to pulling any of the blaster apart or opening it up, changing springs or upgrading the battery from 7.4v to an 11.v battery if not already supplied with an 11.1v battery.

$399.00 $550.00

or get it now with for $139.65 + 3 payments of $86.45 Learn more

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