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Joined: Oct 2004
Posts: 4,340
Campfire Tracker
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Campfire Tracker
Joined: Oct 2004
Posts: 4,340 |
I think lee would be further ahead putting in mandrels another. 0015" under what they do. Can't count the times the standard mandrel hasn't sized enough for me.
I've sanded almost every mandrel I have and also ordered some undersized from lees grouchy order taker.
Btw...most mandrels are identical....ie same mandrel in my 308, 3006,300win,300wby. One mandrel can quickly be jockey'd.
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Joined: Dec 2008
Posts: 5,185
Campfire Tracker
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Campfire Tracker
Joined: Dec 2008
Posts: 5,185 |
I do totally understand how the die works, and that's why I know how to set it up with a full ram stroke without springing anything. I must say that with the die set up instructions you PM'd me a while back, everything has been working to perfection and I use the die with my Rock Chucker for my .280 Rem brass.
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Joined: Jul 2009
Posts: 8,923
Campfire Outfitter
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Campfire Outfitter
Joined: Jul 2009
Posts: 8,923 |
I set mine up to size the neck properly with the press fully cammed over, I don't have a calibrate arm so fully cammed means consistent for me; a crap ton more consistent than leaning on the arm. Redding Big Boss II if it matters.
Dave
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Joined: Aug 2002
Posts: 19,110
Campfire Ranger
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Campfire Ranger
Joined: Aug 2002
Posts: 19,110 |
I don't have a calibrate arm so fully cammed means consistent for me; All you have to do is move the brass to the mandrel, more pressure does nothing, except maybe break things. I apply pressure, turn a half turn and do it again. miles
Look out for number 1, don't step in number 2.
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Joined: Jun 2004
Posts: 44,875 Likes: 8
Campfire 'Bwana
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Campfire 'Bwana
Joined: Jun 2004
Posts: 44,875 Likes: 8 |
Slightly less than a half turn is even better.
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Joined: Jan 2006
Posts: 2,997 Likes: 3
Campfire Regular
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Campfire Regular
Joined: Jan 2006
Posts: 2,997 Likes: 3 |
I had a lee neck sizer die break it stripped the treads at the top of the die it was weird I had gone though almost 20 cases and heard a pop it had never crushed a neck or any thing I will be calling Lee on Monday. I think the threads were crossed threaded has any one else had that happen? Exact same thing happened to me. Just picked up another one.
"Blessed is the man whose wife is his best friend - especially if she likes to HUNT!"
"Love the Lord your God with all your heart, soul, mind and strength, and love your neighbor as yourself. There is no commandment greater than these."
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Joined: Feb 2008
Posts: 1,491
Campfire Regular
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Campfire Regular
Joined: Feb 2008
Posts: 1,491 |
The die didn't 'break', you were on the way to breaking it and that alum top cap stripped out. It's designed to do that rather than damaging the press or doing more serious damage to the die.
Lighten up; once the neck is hard against the mandrel it can't go any further no matter how hard you push down.
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