@Claustro
It is possible that your head is a "old style" 2C head.
My experience is: the younger the Mag the more space is inside the head.
I´m still working on a copy of Zeldas mod. There is enough space to put inside:
Heatsink 11,5 mm
SSC P4 2,4 mm
MCR20 14,6 mm
UCL 1,9 mm
= 30,4 mm
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