Went to use an item in combat and didn't have one left so just pressed to the button to go back out and my weapons were empty. No ammo left. In next combat encounter, used an item and weapons stayed full. Next round, went to item screen and didn't use anything and weapons were empty again. Playing Gunslinger, Brutal, Raptor II's.
1: was in a battle, went to use item, didn't have what I needed. Pressed the button to go back. 2: noticed both of my Raptor's were now empty. 0 ammo. 3: reloaded and killed all the KH bastards that thought they were better than me 4: battle was over, walked around and got in another fight. 5: went to item screen and used one ammo pack (5 rounds) 6: on next turn went to item screen and used nothing, just pressed the button to go back and guns were empty again.
It seems that if you don't use an item, all ammo is dumped from weapons. As long as I use at least one item, weapons stay loaded.
Oh. So THAT'S what happened! My Precision X2 was empty, but I hadn't fired my scoped Panther yet and it was mysteriously empty as well. I'd hit the Item button by mistake and cancelled out of the item screen.