You have to get it from their "front" store buyairsoft (they had a merger and now CAS owns it) or get it from somewhere else that stocks CAS guns.
CAS is really just a warehouser who distributes to retail stores (who then sell you the gun). At least thats how I understand the relationship.
ಠ_ಠLess QQ more Pew Pew
READY TO >> RACE