Charging Ring for Ruger Mark I, II, III, IV, and 22/45

Designed to use a M3 bolt and nut to secure to the charging knob of the ruger mk IV. This is a working prototype but still a work in progress. print using 100% line infill for strength. Flip the design and print on the flat surface.

Edit: Added supports on the end that lock onto the wing to stop rotation.

Added SKP for modifications.