Forums › Forums › General Discussion › New t3x ctr burr on bolt › Re: Re: New t3x ctr burr on bolt Eric B Member January 12, 2017 at 4:48 am 1 Bullseye Figured the screw out! It's for a mirage strap. If you have one of these, DON'T tighten this screw! You will mess up your rail. The mirage strap goes on like a hook, and this screw is factory set.Thank goodness for the internet
