This is a high quality aftermarket AUG AEG hop up chamber from JJ Airsoft. This polymer hop uni..
This is a high quality aftermarket G3 AEG hop up chamber from JJ Airsoft. This polymer hop unit come..
This is a high quality aftermarket G36 AEG hop up chamber from JJ Airsoft. This polymer hop unit com..
This is a high quality aftermarket MP5 AEG hop up chamber from JJ Airsoft. This polymer hop unit com..
This is a high quality aftermarket SIg 552 AEG hop up chamber from JJ Airsoft. This polymer hop..
If you want PDI Performance at a third of the price, if you want to increase your range and consiste..