HK Army 48ci/3000psi Aluminum Compressed Air Tank 3000psi Tanks The ergonomically-designed aluminum trigger frame

The ergonomically-designed aluminum trigger frame and tool-free striker plug design allow for durability and easy maintenance

and it had the following added to it:

Holds empty magazines

After testing various other o-rings and seals

Fills your GBB mags with computer duster gas (HFC134A - Tetrafluoroethane)

HK Army 48ci/3000psi Aluminum Compressed Air Tank 3000psi Tanks The ergonomically-designed aluminum trigger frameHK Army aluminum tanks are a great alternative to carbon fiber systems. The aluminum tanks come with the standard High Pressure compressed air regulator set to the standard output pressure of 800psi. Details: Aluminum Tank 48ci 3000psi Output Pressure 800psi Fill Level Gauge