Just wondered.....reloading my .223 I found that leaving the seating die alone and not adjusting the knurled knob I was getting discrepancies in COAL for each round I made.

I'm using a Lee RGB seating die and not crimping. The measurements were made using a Mitotoyu digital caliper but not using an ogive nut (Not that this would make any difference to the overall length anyway).

The measurements I'm getting are:

2.2580"
2.2590"
2.2595"
2.2610"
2.2620"

They weren't getting longer and longer btw, it was pretty random. I just put them in length order.

Are these acceptable or do I have a problem?

Cheers