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Rifles, Reloading, Optics, Equipment
Reloading
How do you control neck tension?
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<blockquote data-quote="tlk" data-source="post: 403754" data-attributes="member: 11397"><p><span style="font-size: 10px">Woods, a couple of questions/observations, using the 30-06 as an example:</span></p><p> </p><p><span style="font-size: 10px">-I have noticed that with my Lee Collet die the depriming shaft (for lack of a better term) is at .3055. Now I can set it so that my necks can go all the way to .304 or less (prefer to keep it at .305). I have found that this can be done with necks that are .011 or all the way to .015 in thickness, with varying degrees of effort on the press. So I guess I don't see where neck thickness has anything to do with the ID of a case – it appears to be more a function of the OD of the item that it is sized against, especially in a collet die. Can you shed some light on this, please? This may be because I am using the depriming pin/shaft – I think you have stated in the past that you have not. I have not been able to get low runouts and consistent neck ID's without it, even with neck turned brass. (with it I am usually at .002 runout, with a few .001). </span></p><p> </p><p><span style="font-size: 10px">-There are many variables that contribute to low velocity spreads – are you saying that your process of being as exact as possible with the neck ID is a major contributing factor? The only reason I am asking is because when I read all that you do to a case to get it where you want it I am left wondering – is this pin guage and the process here on this thread the thing that gets him those low spreads or is it just a piece of it. IOW, I want spreads that low, haven't seen you detail this process before and am wondering if the net gain is justifying the added cost/steps in your opinion.</span></p></blockquote><p></p>
[QUOTE="tlk, post: 403754, member: 11397"] [SIZE=2]Woods, a couple of questions/observations, using the 30-06 as an example:[/SIZE] [SIZE=2]-I have noticed that with my Lee Collet die the depriming shaft (for lack of a better term) is at .3055. Now I can set it so that my necks can go all the way to .304 or less (prefer to keep it at .305). I have found that this can be done with necks that are .011 or all the way to .015 in thickness, with varying degrees of effort on the press. So I guess I don’t see where neck thickness has anything to do with the ID of a case – it appears to be more a function of the OD of the item that it is sized against, especially in a collet die. Can you shed some light on this, please? This may be because I am using the depriming pin/shaft – I think you have stated in the past that you have not. I have not been able to get low runouts and consistent neck ID’s without it, even with neck turned brass. (with it I am usually at .002 runout, with a few .001). [/SIZE] [SIZE=2]-There are many variables that contribute to low velocity spreads – are you saying that your process of being as exact as possible with the neck ID is a major contributing factor? The only reason I am asking is because when I read all that you do to a case to get it where you want it I am left wondering – is this pin guage and the process here on this thread the thing that gets him those low spreads or is it just a piece of it. IOW, I want spreads that low, haven’t seen you detail this process before and am wondering if the net gain is justifying the added cost/steps in your opinion.[/SIZE] [/QUOTE]
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How do you control neck tension?
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