I took my 715T shooting one time. I fired about 40 rounds down the range until i got fail to ejects, I cleared the empty cases out and noticed a metal loosely rattling around inside. Its a black piece of cheap metal broke in two piece ! My slide/cocking handle does not stay im the open position. ? Can ANYONE help me ? Can i need any information on this topic ? The name of piece ? Is it simply replaceable ? Mossberg has not returned a single email PLEASE HELP thank you..... I attached a picture of the loose pieces that fell out of the gun.