One of Airsoft Megastore's sponsored channels, The Devildog Gamer, puts up this video showing his impressiom and experience with the new Gun Builder 2.0. This new Gun Builder version now allows any Airsoft Megastore customer put together a custom M4 or AK gas blowback rifle... "Ordering the Airsoft gun you want just got a whole lot easier Big thanks to Airsoft megastore for letting me do this and design and awesome gun!"