LCT Airsoft‘s LK53 series will be available shortly:
LK53 series will be released soon!!!
Also here is the LC-3 series modular video for your reference→ https://www.youtube.com/watch?v=yKglw4qfaJw
Please do not hesitate to contact LCT dealers if you need further information, http://www.lctairsoft.com/webe/html/dealer/index.aspx
LCT Airsoft