Thread: Seating depth measurement problems

I get very consistent measurements with the Hornady tool. But 30 thou is a reasonable amount and should leave a good sized mark on the projectile. I have done the same process with my 7mm mag and the two methods agreed within a few thou.
I did notice with the 7mm mag that with the Hornady tool the projectile seemed to stick a bit and could then be pushed a bit further. I am not noticing this with the 7 SAUM