An 8 year old should be wearing hearing protection, preferably foam plugs under electronic muffs. The sound of the gun from that perspective is not really relevent.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.