indexed pellet box for 59 pellets 3D print model

Here is my indexed pellet box for airrifles (0.177 pellets). Why pellet box? Because it is used to store airrifle pellets. Why indexed? Because it does a 'click' when rotating Why rotate? Because this indexed pellet box is used to pellets deliver. How does it work? I do a click - and the pellet fly out. I do a click - and the pellet fly out. I do a click - and the pellet fly out. Isn't it working well ?

Print parameters:

• filament: PLA
• speed: 40 mm/s
• density of infill: 70%

For one indexed pellet box you need yet:

• one spring 0.4*4*10mm;
• one 4 mm bearing ball
• two fi 4 mm screws 16 mm lengjt.