Tutorial — blowback rubber band gun

Get the free plans here: https://mega.nz/#!1OwggapT!btG4V2I7TBbd-1ysmL6DPcMiLJOZaq0nu1oIuFCTwqU Or here: https://www.mediafire.com/?k7924klkdl07f05 The plans...

Original article and pictures take https://www.youtube.com/watch?v=lDZn1BRxCr0 site