Hi guys still feeling my way regarding reloading, I have a hornady style oal gauge and a hornady .223 modified case , however a king gent drilled and tapped a couple of my once fired rounds which I will be reloading this is the results
Hornady !.840" to Ogive
My case 1.458 to Ogive

is this correct as it seems a big difference to me, ps this is an average over about 6 measurements with both cases and same 55gr bullet head,
does this mean if I am using fire formed brass I go with one measurement and new brass with another im confused thanks in advance