I think the ideas with the grenades and claymores are a little less complicated. I don't trust myself to do this kind of major surgery on my PC. I was always better at getting things apart than I was putting them back together.
Half the time I work on a computer I end up with "Spare parts" that it "Doesn't need"...probably explains a lot. Thankfully my work on rifles has never ended up that way. "Third locking lug? Bah, it's already got two...."