So umm.. someone please explain the logic behind this..?

[VikingKong]

Or would you like me to complain about why all my shotguns don't OHK ANY part I shoot when in range?

The semi autos don't kill in one shot, no. That's what the pump actions are for.

Originally Posted by Plaqueis

And on top, there's an option to give up healthsticks/AP mines, and get yourself a motionsensor.

The motion sensor goes in the tool slot replacing the dart gun, not the utilities slot where you'll find the med kits and junk.