This modification allows installation of a spring in the [MG100 Bolt Catch](https://www.thingiverse.com/thing:3753689) by [Flint](https://www.thingiverse.com/Flint) thing. The spring can be extracted from IC testing socket adapter SOP8 to DIP8 or SOP16 to DIP16. This adapter includes 4 springs. The spring may need to be shortened a bit.
Required parts##Print Settings