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Old 02-10-2010, 11:10 PM
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Quote:
Originally Posted by ar15barrels View Post
The virgin brass will actually have more neck tension than you need.
I run an expander into new cases to open them up slightly and make them round.
I would suggest using either dry lube inside the case necks before you do this, or tumble them to deposit some walnut/corn dust on them.
This will help keep the expander from sticking in the necks.
Ok so providing the virgin brass will chamber in my gun (when its done) i should just adjust the die out so it doesn't bump the shoulder and with no bushing inside just so the expander will open them up and then measure the loaded rounds for the bushing for next time?

Quote:
Originally Posted by ar15barrels View Post
Your bushing sizer should have come with the expander button installed on the decapping stem and an extra knurled sleeve that replaces the expander for later when you use only the bushing to size the neck.
Yes it does

Im what circumstances would i NOT want the expander? It would seem that even when neck sizing that the expander would ensure everything stayed round incase the cases were dinged up after ejection. I was wondering why they gave me that extra sleeve when i opened the box.
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