Quote Originally Posted by MJ1 View Post
Back strap.

https://www.milsurps.com/images/impo...54996d33-1.jpg
Ah yes, I understand what he meant now. I don't know if that will solve my problem. By filing the backstrap as suggested, it would lock into place yes, but at it's current seating against the bottom of the receiver. I better get a picture up so you guys can see, as mine looks pretty different than that one.