This is where you want the BLUE TIP. At the lower part of the SHOULDER. This will help keep your should bump back CONSENTANT.
https://www.youtube.com/shorts/e344HMMeEgg
PLEASE notice the shoulder is just turning orange. VERY important when FL sizing. Was mixed range brass and very dark room. Not over temp. running 204R this week and I could run the brass up and down in the die 6 times and NOT get any change in headspace, using a RCBS Precision MIC to measure it.