"Action Extend Charging Tube For VFC MP5 GBB". It's supposed to be installed inside the magazine. It's a GAS charging tube that extends inside the magazine. Its not for stock charging handle.
Azimuth nozzle is garbage. If you want a new nozzle buy the version 3 nozzle from directly VFC. They use nylon fiber on the newest batch of nozzles and cylinders.
Bolt lock unit, is pretty iffy I stay away from using it in my magazines.
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