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I can say that this thing is a blessing. I have finally gotten it together and fired my few test rounds and it WORKS. I will be sure to post pics/videos of the first bird rescue i do.
Hey Guys, I myself am attempting to build this to assist with rescuing geese and ducks for the rescue i volunteer at. I have the build complete but at the moment im having an issue with pressure. When attempting to fill with air, its just coming straight out and not staying in the chamber behind the valve....im almost certain i followed your instructions step by step. The only difference is I am using the model 57661 and not the 57461. If you think that will make a difference I will order one.