So i was setting down my SR 25 the other day, and the whole front sight slid off, then after that, the whole front receiver came loose, and now when i try to tighten it, it will only stay tight if i have it past its normal position, so its rotated to far and the rifle looks weird. Also, the front site, with the metal pole on it that goes into the main body will not stay on and i have no idea what is going on. Any suggestions? Thanks for your time.