I have a part of my map where a conveyer belt moves beer kegs from one machine into another. I made the prop a "prop_physics_override" using the beerkeg001 prop. When the keg gets to machine two, it is destroyed and respawns five seconds later. The conveyor works but I want the keg to be destroyable if hit by a rocket. I set the health to 25 and set the min damage to hurt at 1. In the compiled map the keg is invulnerable. Nothing will hurt it. Is this feature disabled in tf2 or am I missing something?