Thanks, the little nub is an extension of the outer barrel, I custom made it so that i could pull it off, reverse it, and have an orange tip. If you look closely you'll see a band of electrical tape where the tip touches the regular slide. That tape conceals the orange tip when it's at home on display. In game, I reverse it, and remove that electrical tape. It happens to simulate one of the first g18c designs, where the compensator was located on an extended inner barrel which came out of the slide (but for the AEP, the barrel itself is already ported witihin the slide, and there is no need fo
