Previously, we posted a demo of the LCT Airsoft AKM EBB by Kevin Lin, LCT Airsoft's CEO. This video shows another LCT AEG with EBB, the LCKS-74UN for owners of older LCT Airsoft AK AEGs, there is good news. They can just purchase the EBB kit for them to install, no need to buy a complete LCT AK AEG... "This blowback system is suitable for original LCT AK airsoft , the kit will also be sold. You don’t have to pay much money, just purchase the kit would be upgraded the blowback system.