This Day in DIY Guns & Ammo
#StayArmed
https://stayarmed.org/2022-06/this-day-in-diy-guns-and-ammo-2022-06-29.html
Patent US20210341276A1 issued Jun 28. In its text, published by the USPTO, is sufficient information to produce and load a variant of homemade 9mm Dagny Dagger armor-piercing projectiles...