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Rifles, Reloading, Optics, Equipment
Reloading
? On my new neck bushing dies
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<blockquote data-quote="Bill Johnson" data-source="post: 1074863" data-attributes="member: 84129"><p>You've spent alot of money for no benefit if you do not know the thickness and uniformity of the neck walls. Typical Winchester/Remington/Hornady/YouNameIt brass have neck wall that vary in thickness, typically, from .012 to .018. On the same piece of brass. </p><p> </p><p>Unless neck walls are consistant and uniform, bushing dies are no better then standard dies, maybe not even as good. </p><p> </p><p>Norma and Lapua do produce much better than average brass and can usually be counted on to be useable with bushing dies without neck turning. In this case, I, as 243Lapua suggested, seat the bullet, measure diameter in 2 to 3 different locations and order bushings -.002 and .003. Especially in heavier calibers with large charges (like 7MM Mag), you need sufficient neck tension to delay bullet movement long enough to ensure good ignition. </p><p> </p><p>Just my $0.02.</p></blockquote><p></p>
[QUOTE="Bill Johnson, post: 1074863, member: 84129"] You've spent alot of money for no benefit if you do not know the thickness and uniformity of the neck walls. Typical Winchester/Remington/Hornady/YouNameIt brass have neck wall that vary in thickness, typically, from .012 to .018. On the same piece of brass. Unless neck walls are consistant and uniform, bushing dies are no better then standard dies, maybe not even as good. Norma and Lapua do produce much better than average brass and can usually be counted on to be useable with bushing dies without neck turning. In this case, I, as 243Lapua suggested, seat the bullet, measure diameter in 2 to 3 different locations and order bushings -.002 and .003. Especially in heavier calibers with large charges (like 7MM Mag), you need sufficient neck tension to delay bullet movement long enough to ensure good ignition. Just my $0.02. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
? On my new neck bushing dies
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