RMR Bullets Home › Forum › General Reloading Discussion › 223/5.556 neck expansion › Reply To: 223/5.556 neck expansion
August 9, 2025 at 4:29 pm
#536861
Participant
I put a good chamfer on the inside of the mouth with a deburring tool.
My seating die is a Redding Match, and I don\’t see any issues. Just set the bullet on top of the mouth and guide it into the die on the way up.
