here's my suggest, video that my friend got while my last 25mm firing range :
Close to the canon :
http://www.facebook.com/v/440008843034
Canon firing from different distance : ( Btw, yeah the guy on the road that appear at 3:12 with the R. googles on the helmet its me. LOL
http://www.facebook.com/v/439938373034
so here's 2 video that show the different sound you can hear when a 25mm goes off, just wounder if it could be possible to got something close to it




