I dry fired my Crosman Phantom twice, what will happen?

Well, I didn't but my friend dry fired my Crosman Phantom .22 at 495 fps air rifle twice in a row, Im really pissed off because I know your not supposed to do that and I just got the air rifle yesterday, what will happen to my air rifle? Will the velocity go down? will it be unnaccurate? or what else is going to happen? please help me!