Foam A Nature - Nerf Double Barrel Shotgun
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Well, here's a thing I've working on for a long while now. Though the performance isn't as high as I was hoping for, this double barrel is still pretty fun to play around with.
Compatible with buckshot(Rival), Mega and Slug(single dart) Spring Thunder shells.
Shells available here:
https://www.thingiverse.com/thing:3210080
You will need the following materials:
-music wire for custom bent spring(see video below)
-seventeen M2.6x12mm counter sunk head screws
-one 2 inch chicago bolt
-one 1 3/4 inch 6-32 bolt
-10 coils of a K25 spring
-(at least) 2 small springs (I used Nerf catch springs but I think mechanical pen springs would also work)
-4 1/2 inch length of 1 3/8 inch ID, 1 1/2 inch OD polycarbonate tube
-17/32 inch brass (cut length to match trimming jig)
-9/16 inch brass (cut length to match trimming jig)
-two 1 3/16 ID x 1 3/8 OD x 3/32 cross section (also know as "dash 123" O-rings)(suggested hardness 70A)
-two 14mm ID x 19mm OD x 2.5mm cross section O-rings (suggested hardness 50A)
-two 1/2 inch x 1/8 inch aluminium flat bar (approx. 4 1/2 inch lengths. Use slot in printed part to trim to size)
-one 3/16 inch diameter extension spring (approx 1 1/2 inch in length. Trim length until the spring is taught when extractor is in un-primed position)
-three 7 1/2 inch lengths of 6-32 threaded rod
-seven 6-32 nuts
-1/8 inch round metal pins (I used nails cut to length)
If you want the the shoulder stock you will also need the following hardware in…
