Its has taken DAPRA about fifty years and billions of USD to produce tactical field laser weapons.

This took Patrick 70 hours to construct at home .

http://www.escapistmagazine.com/news/view/108312-Laser-Enthusiast-Builds-Super-Dangerous-Homemade-Pistol

His next project is a Phase 3 Plasma assault rifle.

"Only what you see on the shelf buddy."