I had a situation this morning while playing on a US East Objective server while playing Kira, where I had an ammo station down and went to stock up but nothing happened. Eventually, one tick of ammo refill occurred, but I needed to pick up and redeploy the ammo station before it consistently gave me ammo.
In the video, there’s a Fletcher running through it actually getting some, but it refused to give any to its owner and caretaker, Kira 