YES! thank you
Technician1002

I was looking for something just like this, very simple and efficient. nailed it

Couple comments on that photo.....

-what is the total length of the gun, and if it is large could I collapse the barrel down (thread off), or make it shorter because I dont need ...

THIS IS AN OPEN CHALLENGE

I was thinking my dog needs to run more, so I wanted to make a gun to shoot him the ball. so I came to the place that handles these matters, SPUDFILES
After some research I found cheap slingshots, bulky battery powered launchers, and very homemade watch your face guns ...