Hobbyists are playing with some cutting edge tech. Printed ammo and electric ignition means all they need to buy is powder.

No editing, just a guy in the desert shooting a mag full of 3D printed ammo, out of a 3D printed barrel using electric ignition and an electro-magnetically locked bolt. Everything is DIY, no regulated parts, and materials cost less than $100 pic.twitter.com/VU5N932XN0

— SuckBoyTony (@SuckBoyTony1) July 27, 2022

Shinzo Abe’s assassin used a homemade firearm with electric ignition.