7 Things About OTW Red Dot Sight Your Boss Wants to Know

https://kilo-wiki.win/index.php?title=Gamo_Big_Cat_1250_Air_Rifle:_It's_Not_as_Difficult_as_You_Think

A gun is actually a ranged weapon commonly built to pneumatically discharge projectiles[one] which might be sound (most guns) but can be liquid (as in water guns/cannons and projected drinking water disruptors)