These are the restrictions that there in Competitive Mode with the CWL rules:
Specialists:
°Ajax
°Torque
°Nomad
°Zero
Special Issue Equipment:
°Seeker
°Reactor Core
°Tac Deploy
°Scorestreaks
Scorestreaks:
°UAV
°Care Package
°Counter UAV
°Mantis
°Sentry
°Dart
°RC-XD
Gear:
°Acoustic Sensor
Perks:
°Skulker
°Gung-Ho
°Team Link
°Tracker
Weapons:
°Titan
°Hades
°VKM 750
°MOG 12
°SG12
°Daemon 3XB
°Swat RFT
Attachments:
°Rapid Fire
°High Caliber
°Laser Sight II
°Max Load
°Steady Grip
°Rocket Cache
°High Explosive
Optics:
°Fast Lock
Wildcard:
°Overkill
°Primary Operator Mod
°Secondary Operator Mod
MAPS CWL:
°Arsenal
°Frequency
°Gridlock
°Hacienda
°Seaside
°Payload