CYMA 400rnd High-cap Magazine for M4/AR15 Airsoft AEG

Code: FBP1577
  • Steel shell with polymer internals
  • "416 Enhanced" Style magazine with refined curve
  • 400rnd Wheel wound high-cap magazine for M4/AR15

Looking for the most size efficient high-cap for M4/AR15 Airsoft AEGs? This high-cap magazine from CYMA somehow sneaks an extra 100 rounds inside, bringing the capacity of this magazine up to a massive 400 BBs! This magazine is the same length as a standard M4/AR15 AEG magazine but features a revised curve matching the real "416 Enhanced Steel" magazine. Using this magazine is one of the best ways to maximise your battlefield capacity without using bulky drum or box magazines that may inhibit your swift movement. The magazine is constructed with a steel shell and polymer internals and can be filled through the fill window at the top of the magazine. This is a wheel wound high-cap magazine, and the winding wheel is located on the magazine's base plate.

Full description



  • Steel shell with polymer internals
  • 400rnd Capacity
  • Reinforcing ribs on the exterior
  • "416 Enhanced Steel" style magazine
  • Wheel wound high-cap magazine
  • Filled through the fill window at the top
  • For M4/AR15 Airsoft AEG rifle

Package Includes

  • CYMA 400rnd High-cap Magazine for M4/AR15 Airsoft AEG



Colour Wheel Greyscale
Item Colour
Construction Icon
Steel shell with polymer internals
Product Height
Approx. 18cm
Product Length
Approx. 7.5cm
Product Width
Approx. 2cm
Weight KG Icon
Weight (KG)
Approx. 0.189kg

Magazine Specific

Magazine Style Icon
Magazine Style
STANAG, Long Gun Magazine, Assault Rifle, M4 / AR Platform,
Weapon Platform
AR Platform, M4 / AR15 / M16, Long Gun, Assault Rifle,
Magazine Type
  • High Capacity
  • Wheel Wound
  • AEG
Magazine BB Capacity
Approx. 400 Rounds
Magazine BB Fill Location
Magazine BB Fill Method
Fill Window

Looking for BBs to go with your new magazine?