17 Reasons Why You Should Ignore OTW Red Dot Sight
https://super-wiki.win/index.php?title=A_Beginner's_Guide_to_Air_Gun_Blog
A gun can be a ranged weapon commonly intended to pneumatically discharge projectiles[1] which might be stable (most guns) but can also be liquid (as in h2o guns/cannons and projected drinking water disruptors)