Platinum added a new file:
QuoteDisplay MoreFinally making them a more viable option before getting quad stack 60 rounders.
Also prevents the base gun from being an extra row taller in the inventory when an extended mag is inserted.
If you want the 100 round STANAG to also be 2 slots tall, set config.json -> maxMagazineCapacityToBeIncluded to 100.
Installation:
Copy contents of zip file to <spt-dir>/user/mods.
Also clean Temp files using the Aki.Launcher settings in the top right to get updated icons for the new slot size!