24 Hours to Improving Gamo Big Cat 1250 Air Rifle
https://nova-wiki.win/index.php?title=The_Most_Innovative_Things_Happening_With_Gamo_Big_Cat_1250
A gun is usually a ranged weapon normally made to pneumatically discharge projectiles[1] which have been sound (most guns) but can even be liquid (as in drinking water guns/cannons and projected water disruptors)