A call on the manufacturing facility to inquire what is the spec to the trigger yielded a solution of 5 kilos, so I am able to only presume the QC on their own triggers is equally as poor as that for their sights, that's what I came to up coming. https://maxim-9-integrally-suppre35689.blogsuperapp.com/27264998/how-order-silencerco-maxim-9-9mm-can-save-you-time-stress-and-money