A OTW Red Dot Sight Success Story You'll Never Believe
https://kilo-wiki.win/index.php?title=10_Startups_That'll_Change_the_bear_river_bb_guns_Industry_for_the_Better
A gun can be a ranged weapon generally made to pneumatically discharge projectiles[one] which might be solid (most guns) but can even be liquid (as in drinking water guns/cannons and projected water disruptors)