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Rifles, Reloading, Optics, Equipment
Reloading
neck tension
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<blockquote data-quote="col48" data-source="post: 108223" data-attributes="member: 5641"><p>[ QUOTE ]</p><p>An old rule of thumb on neck tension to grip the bullet firm enough for just about all uses is to have the neck sizing part of the die (bushing, or whatever) 1% smaller than a loaded round neck's diameter. If your loaded rounds have a .269-inch neck diameter, then the neck sizing part of the die should be .26631-inch to follow this rule.</p><p></p><p>Your choice of .267-inch for the bushing is great. Depending on the ductility of your case necks, you may need to use a .268-inch bushing if they don't spring back enough; or a .266-inch one if the spring back too much. </p><p></p><p>[/ QUOTE ]</p><p></p><p>so Bart you are saying i have to much neck tension on my cases. will this make 4 in to .3 then 1 away at .5</p><p></p><p> <img src="http://i34.photobucket.com/albums/d125/col48/02052006092-001.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /> </p><p></p><p> <img src="http://i34.photobucket.com/albums/d125/col48/02052006093-001.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>i do not think the flyer's where made by the driver (me)</p><p>sorry for the bad pic i only have a phone one.</p><p>can you shed any light on the matter.</p><p>if you look at the groups they look exactly the same.</p><p>and they measure</p><p>group 1</p><p>the 4 on there own .328 with the 1 out .657</p><p>group 2</p><p>the 4 on there own .305 with the one out .594</p><p>so what you think /ubbthreads/images/graemlins/confused.gif</p></blockquote><p></p>
[QUOTE="col48, post: 108223, member: 5641"] [ QUOTE ] An old rule of thumb on neck tension to grip the bullet firm enough for just about all uses is to have the neck sizing part of the die (bushing, or whatever) 1% smaller than a loaded round neck's diameter. If your loaded rounds have a .269-inch neck diameter, then the neck sizing part of the die should be .26631-inch to follow this rule. Your choice of .267-inch for the bushing is great. Depending on the ductility of your case necks, you may need to use a .268-inch bushing if they don't spring back enough; or a .266-inch one if the spring back too much. [/ QUOTE ] so Bart you are saying i have to much neck tension on my cases. will this make 4 in to .3 then 1 away at .5 [img]http://i34.photobucket.com/albums/d125/col48/02052006092-001.jpg[/img] [img]http://i34.photobucket.com/albums/d125/col48/02052006093-001.jpg[/img] i do not think the flyer's where made by the driver (me) sorry for the bad pic i only have a phone one. can you shed any light on the matter. if you look at the groups they look exactly the same. and they measure group 1 the 4 on there own .328 with the 1 out .657 group 2 the 4 on there own .305 with the one out .594 so what you think [img]/ubbthreads/images/graemlins/confused.gif[/img] [/QUOTE]
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neck tension
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