Thread: Hornady OAL Gauge

Hi
I finally got one of these units and started measuring my loads, to my surprise all of my goto loads are longer than the length suggested by the gauge as the OAL, touching the lands. I used to use a slightly sized case and just load it into the chamber and close the bolt, but I am now thinking that even with 20 thou less it is still jammed into the lands. I had a 7-08 blow a primer last month and thought it was soft brass, but now I'm thinking pressure caused by too long OAL. In all my load developement I mic the web of the cases for excessive stretch from pressure and haven't noticed any spikes. Does anyone have any thoughts on the Hornady OAL gauge and how accurate it is?
If my gauge is correct then it is a warning for others to be careful in determining OAL for their rifles. Interested in thoughts of the fonts of knowledge here

Regards
7mm