Like a typical Call of Duty or Battllefield map it were this field called La Guarida 2.0 is not a waste of time. This is how we have guys Capsule Airsoft his gameplay:

Replicas: Tokyo Marui MP7, KWC Colt M45 A1 CO2

Cameras: GoPro HERO 3+ Black, Nikon D32000

This airsoft field is an old nightclub on the outskirts of Valencia. It's the CQB type but has great distance so long replicas can be used without any problem.

It is also advisable to use tactical flashlights, as they will be of great help in parts of the interior of the field.