The file 'Adapter For M4 To MP5 Mags 3D Printer Model' is (stl) file type, size is 71.5KB.
Just an adapter for Your M4 to convert it to MP5 mags.
Improvements may be required
Need one 4mm pin and spring or something like foam rubber inside your airsoft gun box.
Adapter.stl | 205.9KB | |
Lever.stl | 92.2KB |