Board Thread:General Nerf discussion/@comment-3362895-20180917103348/@comment-27306930-20180917120103

They are used in this beast. These missile are unique to the mortar system. Interestingly, the spring is in the missile. You prime it with the included priming device, then drop it down the launcher, very much like firing a real mortar.

Range is meh. But the shock and awe factor is quite high.