Take your chance to win a custom gas blowback from Airsoft Megastore with their launching of their Custom Gun Builder 2.0... "If you have ever wanted your very own custom Gas Blow Back Rifle, you might have an opportunity take the gun of your dreams home. Simple share the video, give it a like, then head over to Airsoft Megastore Custom Gun Builder and build your very own gun and leave it in the comment section. Winner will be announced on the following Monday."