.223 Handloads

[RASteele]

I have been attempting to load some .223 rounds using Reloader 15 (24.9 grains) and 75gr Hornady AMAX bullets. I have spray-lubed the casings and belled the case mouth.

I have crushed six casings and not fully loaded a single one. What's going on? Should I lube the bullets, too?

The powder sits almost at the top of the case mouth, so I quadruple checked the load data, and it is correct with what I am putting in.

Too frustrated to continue. Can anyone offer some advise?