While doing load development for my .308 today I resized half my brass that has already been fired with a fl die and no expander ball, and the other half with new brass on the same fl die but with the expander ball. This was Lapua brass, CCI BR2 primer, 175g SMK, 44.5g Varget, 2.800 COAL. Did this test at 200y, and there was NO change in POI. Would have tried farther than that but I have not sighted the rifle in yet. Lucky I even hit it at 200 lol.