US Patent 11391549 Shooting stalls and ranges including air permeable barrier

A shooting stall includes a first wall, a second wall, and an air permeable barrier. The first wall includes an upstream end, a downstream end, and a side surface that extends between the upstream end and the downstream end. The second wall is disposed substantially parallel to the first wall, and the second wall includes an upstream end, a downstream end, and a side surface facing the first wall that extends between the upstream end and the downstream end. The air permeable member is disposed between the first wall and the second wall.