HFC 42rnd Magazine for HG-203 MAC-11 GBB SMGs

Code: HG-203M264

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If you are running a MAC-11 GBB that unbelievable rate of fire will have you needing plenty of spare mags, so stock up while they're hot! The HG-203 MAC-11 Green Gas Magazine from HFC holds 42 BBs, all of which will be gone in a couple of seconds on full auto! The magazine can be loaded through the feed lips by pulling the follower down to the bottom, where it will lock into place. You can load this mag either by hand or by using an Airsoft speed loader. Once you are finished loading, press the small protruding tab on the follower to release it and reapply tension to the feed spring. The fill valve is located on the bottom of the magazine and can be filled with summer gas or green gas. 

Full description



  • 42rnd Capacity
  • Green gas magazine
  • Alloy construction
  • Lockable follower for easy loading
  • Fill valve located on the baseplate
  • Compatible with HFC HG-203 MAC-11 GBB

Package Includes

  • HFC HG-203 MAC-11 Green Gas Magazine

Special Instructions

This magazine has a warning sticker on the outside which references CO2 cartridges. This can be ignored and was applied by mistake at the factory. These magazines are Green Gas magazines and do not accept CO2. 



Parts & Accessories Type
Colour Wheel Greyscale
Item Colour
Construction Icon
Alloy with brass valves, rubber o-rings and a steel feed spring.
Product Height
Approx. 21.5cm
Product Length
Approx. 2.7cm
Product Width
Approx. 2cm
Weight KG Icon
Weight (KG)
Approx. 0.43kg

Magazine Specific

Magazine Style Icon
Magazine Style
Weapon Platform
Magazine Type
  • Low Capacity
  • Gas
Magazine BB Capacity
Approx. 42 Rounds
Magazine BB Fill Location
Magazine BB Fill Method
Speed Loader

Gas Magazine Specific

Magazine Gas Type
Green Gas
Magazine Gas Fill Location