This day in DIY Guns & Ammo: 2022 Jun 29

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

https://pdfpiw.uspto.gov/.piw?PageNum=0&docid=11371817

MMS Camera Tripod/Bipod adapter

The MMS Heavy Belt Module