This adapter allows you to remove the OEM spacers and butt plate, so you now have storage for SHFT stuff and in this case a *30rd mag.
You remove the buttplate and spacers
Using the provided adapter and screws you lengthen the stock back to factory.
You will need a limb saver type device (not provided) to act as the storage space cap. Aka to hold in your secret stash.
3D printed with life time warranty. If it breaks we replace it.
*30 rd mag is a modded Beretta 92FS mag.