Functional keychain rifle that shoots plastic BBs! Easy to print with no supports needed and simple to assemble. Includes an ammo belt keychain of various lengths for storing the BBs on the go!
See it in action here: https://youtu.be/uJC6_A4UjJE
Assembly
You'll need superglue, a small strong spring (or two) and M3x8 bolt (longer works too). Watch the assembly video here: https://youtu.be/N60n07EkoPo