Stupidest Guns used in Movies

[Spartan198]

Originally Posted by Clutch

In the original Terminator, Reese manages to blow apart (but not completely destroy) a T-800 with a crudely constructed pipe bomb. But in Salvation, a 40mm high explosive grenade only burns away the skin covering of a T-800. You may raise your "WTF?" flags now.

Add to that that even molten steel did nothing but slow it down for a minute or so.