Sportsline is their cheaper line.
G&G Top Tech = High Quality (eg. Lexus)
G&G = Mid quality (eg. Toyota)
G&G Combat Machine = Low quality
CA = Regular line
CA Sportsline = Lower quality line but comes at a cheaper price more for newbies and such. I'm not sure but I do believe that the sportsline is plastic and not metal.
ಠ_ಠLess QQ more Pew Pew
READY TO >> RACE