No, I gave it 100 trillion hitpoints.

So even if you ~Shift-K it it will take about 28 hours to destroy it.
Come to think of it, the Gargant isn't that hard to make, perhaps even one with not much skill can make one.
- you just have to strecth the Sath like I did, remodel it a bit, perhaps change the position of the turrets slightly, give it meaner weapons, edit its .tbl file, and that's it. You probably don't even have to add turrets since you can make all 53 UReds or something, since the player won't engage it anyway (even if the player does, it can't do anything, really).