What Will Gamo Big Cat 1250 Air Rifle Be Like in 100 Years?

https://collinpfyq514.blog.fc2.com/blog-entry-1.html

A gun is a ranged weapon normally created to pneumatically discharge projectiles[one] which are good (most guns) but will also be liquid (as in drinking water guns/cannons and projected h2o disruptors) or simply