See the image beneath. Mainly because of the structure with the Juggernaut Tactical lower, it's protrusions from fencing that interfere with the jig. So I just cut away any part of the jig so it may sit flush with the aspect of your receiver. Be sure to NOTE: 80% lowers, https://erickzhbmy.bcbloggers.com/32105503/helping-the-others-realize-the-advantages-of-ghost-gunner-for-sale