GHK HPA M4 High capacity magazine


  • HPA conversion for GHK M4 GBBR
  • Machined Billet Aluminium
  • 350 round high capacity

2 in stock




GHK HPA M4 High capacity magazine



Give your favourite Gas Blow Back rifle insane amount of BB capacity with this HPA conversion! Increases your 40 round gas magazine to run on HPA (high pressure air) with a 350 round capacity! HPA regulator and bottle are required to make it work (sold separately).


Conversion block is machined from billet Aluminium, giving you a rock solid magazine without too much added weight! The integrated magazine is a wheel winder, like an AEG hi-cap magazine.



If you’re unsure and want to know more, email us Here.



Additional information

Weight .250 kg
Dimensions 16 × 12 × 6 cm


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