Real Life C4/Claymore Detonator "CLICK" Sound

Here is a recording of the iconic C4 "Click" sound from the M57 firing device used to detonate claymores and C4. Here is a video on how it works-    • How the M18 Claymore mine REALY works...  

In real life claymores are not self/victim detonated, they are either remotely detonated by the operator or detonated by a cable connected to the mine itself.