Weapons Discussion. Link to article: http://content.hamptonroads.com/story.cfm?story=134495&ran=238163 The gun, which weighs about 5 pounds unloaded and collapses to a length of 16 inches, can be easily carried in helicopters, Humvees and other vehicles. Seems to me like re-inventing the wheel. There are lots of good Sub guns already on the market. Some people that I know that have shot it were not impressed with it's performence.