Full Metal Construction;Package Come With Hop Up Rubber;Design for Replace the Original hop Up Chamber;Suitable for AK Series Airsoft Electric Gun AEG Rifle Gearbox;As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed

• SHS Metal Hop Up Chamber Set For AK AEG

SHS Metal Hop Up Chamber Set For AK AEGSHS