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Rifles, Reloading, Optics, Equipment
Reloading
RCBS Precision Mic
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<blockquote data-quote="Kevin Thomas" data-source="post: 368878" data-attributes="member: 15748"><p>Tom,</p><p> </p><p>You've got several separate issues and/or questions going on here, and they're independant of one another. </p><p> </p><p>1) Yes, we're talking about bumping the shoulder back, but the FL dies will also size the body diameter down a bit as well; a neck die touches <u>only </u>the neck.</p><p> </p><p>2) Yes, sort of, on the neck. This really depends on the dies itself and the expander ball. A standard FL die is going to size both neck and body, and give the finshed I.D. to the neck via the expander ball. This is probably how you're setting your neck tension now, correct? In the case of bushing dies, you have far more control over this, and can set the dimensions to whatever you need them to be. Much more versatile, and gives you the option of using no expander at all (if you so choose), and still get the correct neck tension. Like I said, a much better option there, IMHO.</p><p> </p><p>3) Inconsistent neck tension? Refer to #2.</p><p> </p><p>4) Yes, the only disadvantege to neck sizing only is that at some point you won't be able to chamber that ammo in your rifle. Personally, I consider ammo that won't chamber in my rifle to be a pretty major inconvenience. ANd don't forget what I said about Murphy. I can almost personally guarantee you that you'll never have a problem with just neck-sizing, until it's really important that your rifle work . . . and then it won't. Murphy's a real weenie that way. </p><p> </p><p>5) Again, the brass is expanding in all directions. At some point, it will just be difficult to downright impossible to chamber the round, or possibly to extract a round that you <u>did</u> manage to chamber. The gages will allow you to measure some of these changes and set the dies properly to correct this, but it's a potential problem that you really don't need to experience in the first place. Why go there? The "advantages" of neck sizing are very much over-hyped, and ignore the very real disadvantages inherent to this mode of resizing.</p><p> </p><p>Hope this clears it up a bit, gotta bail for now.</p><p> </p><p>Kevin Thomas</p><p>Lapua USA</p></blockquote><p></p>
[QUOTE="Kevin Thomas, post: 368878, member: 15748"] Tom, You've got several separate issues and/or questions going on here, and they're independant of one another. 1) Yes, we're talking about bumping the shoulder back, but the FL dies will also size the body diameter down a bit as well; a neck die touches [U]only [/U]the neck. 2) Yes, sort of, on the neck. This really depends on the dies itself and the expander ball. A standard FL die is going to size both neck and body, and give the finshed I.D. to the neck via the expander ball. This is probably how you're setting your neck tension now, correct? In the case of bushing dies, you have far more control over this, and can set the dimensions to whatever you need them to be. Much more versatile, and gives you the option of using no expander at all (if you so choose), and still get the correct neck tension. Like I said, a much better option there, IMHO. 3) Inconsistent neck tension? Refer to #2. 4) Yes, the only disadvantege to neck sizing only is that at some point you won't be able to chamber that ammo in your rifle. Personally, I consider ammo that won't chamber in my rifle to be a pretty major inconvenience. ANd don't forget what I said about Murphy. I can almost personally guarantee you that you'll never have a problem with just neck-sizing, until it's really important that your rifle work . . . and then it won't. Murphy's a real weenie that way. 5) Again, the brass is expanding in all directions. At some point, it will just be difficult to downright impossible to chamber the round, or possibly to extract a round that you [U]did[/U] manage to chamber. The gages will allow you to measure some of these changes and set the dies properly to correct this, but it's a potential problem that you really don't need to experience in the first place. Why go there? The "advantages" of neck sizing are very much over-hyped, and ignore the very real disadvantages inherent to this mode of resizing. Hope this clears it up a bit, gotta bail for now. Kevin Thomas Lapua USA [/QUOTE]
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