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Rifles, Reloading, Optics, Equipment
Reloading
mandrel for case necks...can somebody please explain
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<blockquote data-quote="Shawn Carverelli" data-source="post: 2456599" data-attributes="member: 120757"><p>I'm loading mostly for my 6 & 6.5 CM AR10 auto loaders . The BCG is pretty rough on brass so I'm going to set the same. 0025 neck tension then apply a light crimp with a Lee factory crimp die.</p><p> Members on LRH have said in most cases it shrinks ES and group sizes.</p><p> Safety indicates a neck crimp helps to not shove the bullet further into the case when the boltface shoves the next round into the chamber. So far best groups are under 3/8" for 87 gr vmax and 5/8" for 103 gr hornady eld-x in my 6CM</p></blockquote><p></p>
[QUOTE="Shawn Carverelli, post: 2456599, member: 120757"] I'm loading mostly for my 6 & 6.5 CM AR10 auto loaders . The BCG is pretty rough on brass so I'm going to set the same. 0025 neck tension then apply a light crimp with a Lee factory crimp die. Members on LRH have said in most cases it shrinks ES and group sizes. Safety indicates a neck crimp helps to not shove the bullet further into the case when the boltface shoves the next round into the chamber. So far best groups are under 3/8" for 87 gr vmax and 5/8" for 103 gr hornady eld-x in my 6CM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
mandrel for case necks...can somebody please explain
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