This gun would use special chemicals to reach the higher speeds.
1930s US tested a mach 8 small gun
Is the 1930s,
The .17 Remington Fireball has 4000 fps. It was created in 2007 as a response to many popular wildcat cartridges, the .17 Remington fireball factory loads drive a 20-grain bullet up to 4,000 feet per second. While its velocity is approaching that of the .17 Remington, it does so with less powder, meaning less barrel fouling and lower heat, which in turn leads to longer barrel life.
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
Known for identifying cutting edge technologies, he is currently a Co-Founder of a startup and fundraiser for high potential early-stage companies. He is the Head of Research for Allocations for deep technology investments and an Angel Investor at Space Angels.
A frequent speaker at corporations, he has been a TEDx speaker, a Singularity University speaker and guest at numerous interviews for radio and podcasts. He is open to public speaking and advising engagements.