Hi guys, started this thread so we can hv easy reference on said topic.
If any of u hv used different mags successfully on these receivers, please state them, also to note if they are a direct fit or some modification needed:
Gen 8: gen 8, plastic warinterest pmag for older gen JM
Well M4: well m4
Xm316 gen 8: gen 8, LH HK416v2, plastic warinterest pmag for older gen JM (some sanding on the mag needed)
JM J9: gen 9
J10: gen 10
There are some other receivers out there you may add like the TTM, maopul, FTM etc. and magazine like the LDT warinterest nylon Pmag, stanag, comp mag, bunch of other kublai and LDT mags and drum mag as well.