I wouldn't say the WWG-500mag rifles inclusion into the show was 100% scripted but definitely put in to show off their abilities, and perhaps drive interest into their Las Vegas storefront.
"Every man alone is sincere; at the entrance of a second person hypocrisy begins." - Ralph Waldo Emerson
"People demand freedom of speech as a compensation for the freedom of thought which they seldom use." - Soren Kierkegaard