Is the wall solid and not see through? Or even if you cant see through it shoot it a few times and people stop playing games fast. Walls shouldn't be used as vision barriers. Vision barriers can get shot. Barrels are a better option.
6.5.27.1 Vision barriers are soft cover objects such as barrels, tents, fake trees, sheer curtains, etc., that are used to block or occlude the view of a target or group of targets. 6.5.27.2 Vision barriers are soft cover and may not be impenetrable or designated as hard cover.
4.7.1 Stage props are commonly used to represent hard cover or impenetrable objects such as walls, cars, barricades, and furniture such as desks and file cabinets. Truly impenetrable objects may also be used as hard cover in a stage