The G650 is the latest and largest bizjet from Gulfstream Aerospace and has proved quite popular with over 400 units sold so far.
Gulfstream Aerospace G650 for KCAI model
Gulfstream G650 N721MM is operated by MGM.
These textures are intended for the KCAI Gulfstream G650 model available here.
MGM flightplans (winter 2018) by Eric Steinmetz are available here.