Drop it. Dave is so right.
1. If you are carrying a nondrop safe gun - ditch it.
2. As long as a gun is in your hand for a long, slow, safe put down - you can quickly switch to a firing position. That's in some LEO training films. That's why they might just shoot you if you don't comply.
3. So if the cop loses his badge, that's nice. You are shot - perhaps several times.
But, if you get shot for worrying about a gun or not carrying a safe gun to drop - score one for evolution.