Honestly the idea of some asshole dead-dropping an armed sentrybot is far, far scarier to me. A couple of giggle-switch Glocks with drum mags, hooked up to a "B

Honestly the idea of some asshole dead-dropping an armed sentrybot is far, far scarier to me. A couple of giggle-switch Glocks with drum mags, hooked up to a "Blast Anything That Moves" gimbal, would probably be deadlier than the same weight/volume of high explosive. Bullets don't care about the inverse square law.