There are many theories about CQB, some of them apply to airsoft, and among all we recommend only the best will work to you when you go to play. And remember, in the end, the most important thing is simply: enjoy the game.

MaxSplat Training - Airsoft CQB Series Pt 2 - Room Clearing EP 12

Airsoft CQB Fun

DesertFox Airsoft Operator Academy: CQB Pistol Tactics