MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
When the slide is closed and you insert a new mag, you just cycle the charging handle. When the slide is open and you insert a new mag, drop the slide with the slide catch. Slide catch and the safety are still accessible with this kit.
And this won't fit a 6.1 hicapa. It's meant to fit a 5.1. 6.1 will be too long.