the knife has gone unchanged... until now.

this shit is raw. they state "compressed gas" so that you can put what the fuck ever you want into those cartridges... MUSTARD GAS, HOOOOOOOOOO!

Since World War II, the military has seen much of its soldiers equipment go through many radical changes and technological advances. The knife has gone unchanged until now. Our soldiers deserve the most advanced equipment that is available to them. A simple knife is okay, but when it comes down to the last line of defense, you want something that will get the job done. Introducing the WASP Injection Knife. This easy-to-use, easy-to-reload weapon delivers up to a 24g shot of compressed gas at 800 PSI on land or underwater.

what's cool is the actual demo video: