[Frazod]

Originally Posted by TrebMaxx

Most of the quad rails out there are simple. You pull back on the slip ring, remove the hand guard and replace with your quad rail. If you get a free float system you have to remove your slip ring, barrel nut, flash hider, gas tube and the front sight. Thread the rail on the barrel nut supplied with the free float, you will not need your original barrel nut or slip ring anymore. Reinstall your gas tube, front site and flash hider.

Thanks.