Extremely Cool Propane Rifle from Backyard Scientist
Have you ever seen anything so cool? Guess not! This must be the coolest and funniest homemade invention ever seen. The Backyard Scientist finally modified his propane pop gun since it's not "explodey" enough for him and transformed it into something literally excellent.
This extremely cool propane rifle must be designed and created to have a huge barrel of fun. This spectacular creation is the perfect combination of creativity, simple tools, knowledge and some super skills.
Check it out, learn how it's done, see how fun it is and enjoy!