I have a Pressure Trace II unit and the strain gauge is attached to my single barrel test gun. I have not used it since last year.The last tested were Armusa (no longer available I think).The low pressure ones said 5000 psi and the gun said yes.The trap loads measured 6400 psi.AA loads were tested and were around 7000 psi, but I have lost that data.All the above in 12 ga.I have never had any shell go to 10000 psi.Perhaps I shall go and test these Rem Game loads.