Descrizione
This is the second version of the double barrel shotgun with the new and improved mechanism. The gun is made from the sawed-off version.
The short version has instructions and you can use this tutorial to make this one. I hope you guys like this one.
Instructions: https://www.youtube.com/watch?v=7_LujiWS1yE
Dual-barrel shotgun v.1: https://www.youtube.com/watch?v=xmnJ6EiTXbM