>>I picked this up on the Outlaw forum. Is this correct?

I sure hope not, and I really hope it's not true for HK receivers

Maybe we can contact the author for clarification ?

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8