Tutorial video from PTS Syndicate how you can install their fully licensed PTS Kinetic MREX SCAR Rail... "Video is using Cybergun FN SCAR-H GBB as sample. The installation will have slightly different between Cybergun and other version of SCAR-H / SCAR-L AEG or GBB. If you are not familiar with your airsoft SCAR, please find your local gun smith for installation.

PTS is not responsible for any damage that may arise from improper installation."