I'll watch it and see. Not saying it won't happen, but I'll say that would be a first for me and I'd want to figure out why when all other brass I have goes 10 or more reloads.
That was my thought for turning the necks again: see if I get some material off the bottom of the neck now that Ive pushed the donut to the outside.
On a new barrel and long bullets that we use on 6.5x47 we can't seat them above the shoulder. While the neck of the 6x47 is OK, it is not as long as the 6BR for example.
Never liked the idea that donuts and high areas get pushed to the outside. Common sense would tell you that the area around the high spot also gets pushed to the outward and gets cut thinner with a neck turner. With spring back how much of the high spot actually gets pushed to the outside if any? After running an expander in I would think you could still see or feel the donut. Don't like the idea of cutting the I.D. and the O.D. I use a bushing die I don't understand the need for an expander. The bullet is an expander. I shoot 58-68 gr bullets in my 6BR and 6BRX they are only seated half way down the neck. The bushing only sizes half way down the neck. If you want the entire neck sized you use a FL die. All my rifles are for casual BR and GH hunting. Both shoot under .350" so I don't worry about donuts. After shooting a case many times I will sometimes run them throu my neck turner. Usually more metal is removed just about everywhere on the neck. I assume it isn't just the donut, metal must flow forward everywhere from sizing and firing. We know the cases get longer, where do you think the metal comes from?Again to sum everything up I don't worry about donuts and never use an expander. From your picture it looks like the ring is well forward of where I would expect a donut. Looks like it's 1 bullet diameter from the mouth. I would expect a donut to be closer to the shoulder. What's all the Cu loooking streaks away from the ring? Are these Cu looking areas high spots on the case, Exposed neck Cu or Cu rubbed off of the bullet. Never saw this on any case. I guess I would FL size them, run them thru the expander that comes with the neck turner and turn them. Accept what ever you end up with.
That just means you have improper freebore for your bullet choice. Have your smith open the freebore with a throater based on a dummy round you give him with the pressure ring located at the mid point of the neck. This will allow you to find the proper seating depth and stay away from the neck shoulder junction. Pretty simple.
That does look like the formation of a doughnut to me, though that is also the area of the neck that will always see the most friction during sizing with an expander, thus a shiny spot can occur without a doughnut. Because you are now noticing increased drag - it likely is a doughnut. Doing a light skim turn on your necks won't accomplish much in respect to getting rid of it - but cutting INTO the neck, shoulder junction a bit will. On the next firing - it will then push the high spot outward, filling the indentation created by the cut into the neck. One can never get their brass soft enough through annealing to then "push" all of the offending excess to the outside with an expander or mandrel without ruining their brass. Some of it will push out - enough so as to fix temporarily but not enough to fix a situation for long. Another option is to ream the insides of the necks - and that is very effective ONCE you have the exact reamer that is best suited for your brass. Cutting the shoulder is the easiest effective method - and reaming the most precise in my own experience. Good luck!
As mentioned you need to do a Linda Lovelace on that chamber....Deep Throat.
All the copper looking areas look like galling to me. Can someone comment on what it is. Still think it looks like the ring is mid length of the neck. A donut should be much closer to the shoulder? Looks like almost zero chamfer.
It's at the neck-shoulder junction inside the case. On fired, but unsized cases, the ring isn't visible. The black soot inside isn't continuous so you see some of the brass showing through.
After viewing the picture above I think this^^^^ is the way for you to go. I'm wondering if your mag length will be too short though?
