Gyrojet Carbine, Mark 1 Model B

The Gyrojet was one of the more creative and one of the most futuristic firearms innovations of the last few decades - unfortunately it wasn’t able to prove sustainable on the market. The idea was to use burning rocket fuel to launch projectiles, instead of pressurized gas. The advantage was that without the huge pressure of standard cartridges, a rocket-firing gun could be made far lighter and cheaper, as it had no need to contain pressure. The ro