The centerfire stuff isn’t even their forte, from the looks of it, which is why I’m pretty sure this WILL have limited adoption in the moneyed departments willing to splurge on fun trinkets. They have .68 cal ammo, which seems to offer the most utility for them.
Also note the “offensive projectile”, which is a really fun concept when you think about it. Imagine a jurisdiction that can’t rock a lethal arm who WANTS to be able to kill with it, so they look for an armor piercing, lethal munition for their “nonlethal” paintball gun