Other than completing AR-fifteen lowers, the Ghost Gunner may help make lots of other guns and with some third party support you could open up the Ghost Gunner to accomplish other tasks like engraving your lowers. It's also possible to mill other lowers like a Polymer 80, AR-10 and 1911. https://knoxpojie.loginblogin.com/40015599/5-simple-statements-about-ghost-gunner-3-explained