Japan, where firearms are essentially banned for 99% of people:
"Can we have a 3D-printed, spring-powered 40mm rubber bullet launcher?"
"Sure, have fun!"
Australia, where you can get a gun licence for hunting and target shooting and collecting, but what are essentially toy guns are heavily restricted if not outright banned in most stages:
"We're going to treat this as if it's an actual grenade launcher and no, you can't own it."
3Dプリンタ製の40mmランチャーもいかがでしょうか!
ゴム弾を発射できますー
※銃刀法の担当部門にて合法であることを確認しております。