The file '22LR Dispenser 3D Printer Model' is (stl) file type, size is 190.9KB.
You need a wide spring less than 1cm in diameter and that is not too long.
https://youtube.com/shorts/jzVbkrFP9fk?si=2Oti9s_1DrsU8ZM1
22.Dispenser_Body.stl | 440.3KB | |
22.Dispenser_Lever.stl | 192.2KB | |
22.Dispenser_Pin.stl | 81.6KB |