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Rifles, Reloading, Optics, Equipment
Reloading
Minimum bullet/neck engagement?
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<blockquote data-quote="QuietTexan" data-source="post: 2595963" data-attributes="member: 116181"><p>0.001" and about 0.120" of the neck sized (6mm so roughly half-caliber) is the lightest I found looking through my records. Probably could have used 0.0005" under caliber for the neck size but was already sizing such a short length of it I didn't go less. The problem with doing that light of treatment is that it doesn't necessarily make a durable round that can be bounced around or run through a mag.</p><p></p><p>I do half-to-three quarters length of neck sizing on a lot of things (including big 300s) but run tighter fits, -0.002" or so. Not to the point the bullet is expanding the neck. The amount of expansion a neck can take before yielding varies with caliber, smaller calibers take less interference than larger ones. Seems like this big "don't be an blankety blanking blank and neck size only" kick going on where everyone insists on FL sizing cases kicks aside the nuance of using a separate body die and neck sizing die that gets to the same point. "Always FL size your cases" doesn't mean you still can't vary length of neck sized using a bushing die. I should probably be more anal about trimming more often but length of neck sized seems to be pretty forgiving in that being off a thou or so in length doesn't drastically change things as much as sizing down in the neck/shoulder junction.</p><p></p><p>Sample size of one, I'm sure other people will be along that have the opposite experience. I've talked to one shooter I highly respect about this and he says you can never control length enough to matter and that custom honed FL dies are the way. Another says honed dies are trash. Lots of opinions, which is why YOUR targets are the only ones that matter.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2595963, member: 116181"] 0.001" and about 0.120" of the neck sized (6mm so roughly half-caliber) is the lightest I found looking through my records. Probably could have used 0.0005" under caliber for the neck size but was already sizing such a short length of it I didn't go less. The problem with doing that light of treatment is that it doesn't necessarily make a durable round that can be bounced around or run through a mag. I do half-to-three quarters length of neck sizing on a lot of things (including big 300s) but run tighter fits, -0.002" or so. Not to the point the bullet is expanding the neck. The amount of expansion a neck can take before yielding varies with caliber, smaller calibers take less interference than larger ones. Seems like this big "don't be an blankety blanking blank and neck size only" kick going on where everyone insists on FL sizing cases kicks aside the nuance of using a separate body die and neck sizing die that gets to the same point. "Always FL size your cases" doesn't mean you still can't vary length of neck sized using a bushing die. I should probably be more anal about trimming more often but length of neck sized seems to be pretty forgiving in that being off a thou or so in length doesn't drastically change things as much as sizing down in the neck/shoulder junction. Sample size of one, I'm sure other people will be along that have the opposite experience. I've talked to one shooter I highly respect about this and he says you can never control length enough to matter and that custom honed FL dies are the way. Another says honed dies are trash. Lots of opinions, which is why YOUR targets are the only ones that matter. [/QUOTE]
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Minimum bullet/neck engagement?
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