A rugged, single-shot break-action .22LR firearm utilizing a 3D-printed receiver and a standard barrel liner. Designed for minimal hardware requirements, ease of assembly, and reliable rimfire extraction. High-stress components are optimized for PLA+ or Nylon printing orientations.
n open-source, highly printable .22LR single-shot platform featuring an integrated safety mechanism and an ergonomic grip frame. This project uses readily available hardware-store springs and pins alongside the 3D-printed elements. Ideal for hobbyist builders focusing on mechanical assembly and tolerance testing
