Custom GBB HPA Extended 300 Round Magazine


  • 300 shots of pure fury
  • Easy Speed loader compatible design
  • Lightning Fast Pressure
  • PLUG & PLAY designed engineering

Available on backorder


Here are the ultimate game changers… The Extended GBB HPA magazine

These magazines are completely built in-house, engineered for instant PLUG & PLAY

300 shot winding magazine for most pistols and GBB magazines

Loads with most speed loaders with a dump hole typically located on the side of the magazine, loads much easier than the usual GBB magazine

The ultimate SpeedQB magazine

Compatible with most HPA regulator systems on the market

Available for most brands including Tokyo Marui, WE, KJ Works, VFC, and other GBB. Not too sure about compatibility? Send us an email

Includes a new magazine for your airsoft weapon of choice, or your own magazine may be used for discount (Please email us first if you have a magazine available)

We build these for most Gas guns, Pistols, and SMG’s on the market

6 Month Warranty included

Usually takes 3 – 5 weeks for completion & delivery (Times may vary with part availability)



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