A friend gave me 8 rounds of 40S&W ammo that he claims are Ceramic bullets the headstamp say IVI . I have done some research and found out the company they are from is called Industries Valcartier Inc located in Quebec, Canada. I am trying to get more info on these rounds I have no idea what there weight is nor if they are of good quality and if it is safe to fire them out of my Glock 23 . Any info anyone has would be helpful