This day in DIY Guns & Ammo
Glock 19 full-auto https://www.youtube.com/shorts/ZJeQa4GBOwU
Carbon Fiber Nylon on Ender 5 Plus FGC9
Break action rifle physics (text on barrel, breach, and pressure) https://www.reddit.com/r/GunnitRust/comments/v5t0qx/comment/ibcn8rp/
World's First 3D Printed Rocket Launcher