Spartan Jess - The Halo Airsofting Spartan finally brings his homemade MA5B airsoft gun for a field test... "After building my new Halo Airsoft MA5B, I've decided to participate in a couple of games at my local airsoft arena and field test my newly created Halo Airsoft gun. Make sure to visit my tutorial video about how to create your own Halo Airsoft MA5B if you're interested."