24 Hours to Improving Gamo Big Cat 1250 Air Rifle

https://wiki-burner.win/index.php?title=9_TED_Talks_That_Anyone_Working_in_Airgun_Blog_Should_Watch

A gun is usually a ranged weapon normally intended to pneumatically discharge projectiles[one] which have been reliable (most guns) but may also be liquid (as in h2o guns/cannons and projected drinking water disruptors)