Step 4Choosing a barrel length
As you can see the barrel on this shotgun is a rectangular piece of wood. This is important for the gun mechanism to work properly. It ofcourse isn't realistic but don't worry it'll still be immediately clear you are wielding a shotgun ;)
As for the length of your barrel. I chose to use a 45 cm / 18 inch long piece of wood. It gives you an ammo capacity of 18 rubberband shots which is more then enough for me and makes the gunbarrel a realistic length. However if you want to make a compacter shotgun (I understand that you couldn't wield this one efficiently in an office or classroom without the boss / teacher spotting you) you can always make the barrel shorter. This will ofcourse decrease the ammo capacity. I would suggest that you first saw away part of the gun before touching the barrel. This way your gun will be compacter but still have an ammo capacity of 18 shots.
Note however that you should always have 2cm to spare to attatch the barrel to the gun. As I said my barrel is 45 cm long but in reality 2 cm of that 45 is inside my gun. (so my visible barrel is 43 cm)
So the dimensions of my barrel are 1 x 45 x 3 cm / 0.39 x 18 x 1.2 inch. Now we will need to make a hole of 2 cm long, 1 cm width and 3 cm high in the gun in order for the barrel to stay secured to the gun. I did this by first drawing out what should be cut away and then use a small regular jigsaw to saw on the lines. Then I used a small chisel to chisel out the hole. The lines you sawed will make sure that the chisel doesn't take away to much wood. When you are done test if the barrel fits in the hole but don't permenantly attatch it yet.If the barrel shouldn't fit use a knife saw or file to make more space.
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