I would send it back. If you monkey around with rifles too much, some companies will void your warranty. Make them fix that rifle. The Optima Pro is a top of the line rifle and should operate as one.. Granted it will cost you a few bucks to send it in, but it will be worth it in the end.

Be sure and down load a repair form from their web site, print it out, fill it in, and then call them to talk all of this over. They will then tell you to send it to them.