Bob shows two custom airsoft guns, a PMC 104 and an LM4, made by the world class tech department of Airsoft GI... "If you are new to airsoft, you may not be aware of some of the awesome ways you can customize your airsoft gun. Thankfully, we are here to help, with two of our newest custom guns from our techs. The guns are great examples of our tech's creativity and attention to detail.