I was at the range today, shooting j word reloads. got to the last set of five, inspected the brass. on was missing it's primer looked at the other 4. no budge or flatting. I know I was under the max book load. I prime my brass with a lee hand primer. was noticing some where falling out after setting the primer when I did the last lot.
load
300bo, 16" barrel, pistol gas
110gr v max
19.3grs h110
cci 400
RANGE PICKUP CUTDOWN 556 brass