What's Holding Back the bear river bb gun Industry?

https://research-wiki.win/index.php?title=The_Most_Influential_People_in_the_Airgun_Blog_Industry

A gun can be a ranged weapon generally intended to pneumatically discharge projectiles[one] which might be good (most guns) but can also be liquid (as in h2o guns/cannons and projected drinking water disruptors)