RMR Bullets Home › Forum › General Reloading Discussion › Seating 124 gr FMJs › Reply To: Seating 124 gr FMJs
August 17, 2026 at 10:16 am
#551086
Participant
Depending on the sizing die that you are using, that isn\’t unusual to see a slight bulge in the brass. Your sizing dies is probably undersizing the brass, this helps to prevent setback when the bullet is chambering.
