At the very bottom, items are spawned at these 2 points, very rarely

Position: <614.533203, 474.562256, 1144.720825>
Orientation: <0.000000, -89.944038, 0.000000>
Config-Type: M4_Suppressor

Position: <598.911377, 474.546509, 1143.770020>
Orientation: <-81.886414, 0.000000, 0.000000>
Config-Type: Ammo_545x39