Watch his channel often. Another one is Paul Harrell. Don't know if you heard but he's very sick with pancreatic cancer.
Somebody should modify that so Kevin Costner says "phased plasma rifle in the 40-watt range"
Pretty neat, but I still like the Kel-Tec P32 better. 0.75 in wide, 8 oz fully loaded. And with the 10 round magazine (giving you 10 + 1) you can get most of your hand on it.