RMR Bullets Home › Forum › Reloading Database › RMR In-House Bullets › 69gr rms loose necks › Reply To: 69gr rms loose necks
August 6, 2024 at 9:01 am
#518426
Participant
It is formed at the base of flat bullets, and is about .0005\” in diameter. It provides a better seal for the gasses when travelling thru the bore
