Katana mag adapter for SPRINGER only

A while ago a viewer asked if I can make a small change to the katana adapter for rapidstrike to be use in a springer. Here is the version for the springer (for rapidstrike and stryfe please use the other version as that design is to prevent next dart from moving back as the pusher return from firing)

Also here is a video create by the viewer (thanks man for posting the video)

https://youtu.be/fMvVw0tGq24

I used the free software "designspark mechanical" to do these and had included the